[01:34:20] [Server thread/INFO]: Starting minecraft server version 1.8.7
[01:34:20] [Server thread/INFO]: Loading properties
[01:34:20] [Server thread/INFO]: Default game type: SURVIVAL
[01:34:20] [Server thread/INFO]: This server is running CraftBukkit version git-Spigot-07a5b1b-04afd79 (MC: 1.8.7) (Implementing API version 1.8.7-R0.1-SNAPSHOT)
[01:34:20] [Server thread/INFO]: Server Ping Player Sample Count: 12
[01:34:20] [Server thread/INFO]: Using 4 threads for Netty based IO
[01:34:20] [Server thread/INFO]: Debug logging is disabled
[01:34:20] [Server thread/INFO]: Generating keypair
[01:34:20] [Server thread/INFO]: Starting Minecraft server on 127.0.0.1:25574
[01:34:20] [Server thread/INFO]: Using epoll channel type
[01:34:21] [Server thread/INFO]: Set PluginClassLoader as parallel capable
[01:34:21] [Server thread/INFO]: DataSourcePool [TimeShift] autoCommit[false] transIsolation[SERIALIZABLE] min[2] max[20]
[01:34:22] [Server thread/INFO]: SubClassFactory parent ClassLoader [org.bukkit.plugin.java.PluginClassLoader]
[01:34:22] [Server thread/INFO]: Entities enhanced[0] subclassed[1]
[01:34:23] [Server thread/INFO]: [WorldEdit] Loading WorldEdit v6.1;no_git_id
[01:34:23] [Server thread/INFO]: [RedstoneJukeboxTrig] Loading RedstoneJukeboxTrig v2.6.0
[01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Teleports v0.50b-22
[01:34:23] [Server thread/INFO]: [Uberjump] Loading Uberjump v0.2
[01:34:23] [Server thread/INFO]: [ArmorClear] Loading ArmorClear v1.0
[01:34:23] [Server thread/INFO]: [Vault] Loading Vault v1.5.3-b37
[01:34:23] [Server thread/INFO]: [Multiverse-Core] Loading Multiverse-Core v2.5-b693
[01:34:23] [Server thread/INFO]: [PermissionsEx] Loading PermissionsEx v1.23.2
[01:34:23] [Server thread/WARN]: [PermissionsEx] This server is in offline mode. Unless this server is configured to integrate with a supported proxy (see http://dft.ba/-8ous), UUIDs *may not be stable*!
[01:34:23] [Server thread/INFO]: [ItemScan] Loading ItemScan v1.1
[01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Bans v0.50b-8
[01:34:23] [Server thread/INFO]: [WorldGuard] Loading WorldGuard v5.9
[01:34:23] [Server thread/INFO]: [dynmap] Loading dynmap v2.1-SNAPSHOT-1091
[01:34:23] [Server thread/INFO]: [dynmap] version=git-Spigot-07a5b1b-04afd79 (MC: 1.8.7)
[01:34:23] [Server thread/INFO]: [dynmap] inhabitedTicks field not found - inhabited shader not functional
[01:34:23] [Server thread/INFO]: [dynmap] Mod Support API available
[01:34:23] [Server thread/INFO]: [Dynmap-WorldGuard] Loading Dynmap-WorldGuard v0.50
[01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Warps v0.17-SNAPSHOTb-11
[01:34:23] [Server thread/INFO]: [FishingPlus] Loading FishingPlus v1.7.9a
[01:34:23] [Server thread/INFO]: [BungeeSuite] Loading Chat v0.5b-56
[01:34:23] [Server thread/INFO]: [BooksWithoutBorders] Loading BooksWithoutBorders v1.3.3b
[01:34:23] [Server thread/INFO]: [FrameDisable] Loading FrameDisable v1.0
[01:34:23] [Server thread/INFO]: [TimeShift] Loading TimeShift v3.0
[01:34:23] [Server thread/INFO]: [NoLoginMessage] Loading NoLoginMessage v1.2
[01:34:23] [Server thread/INFO]: [SkylandsPlus] Loading SkylandsPlus v0.16-SNAPSHOT
[01:34:23] [Server thread/INFO]: [ChestShop] Loading ChestShop v3.8.11
[01:34:23] [Server thread/INFO]: [CustomSpawners] Loading CustomSpawners v0.6
[01:34:23] [Server thread/INFO]: [Modifyworld] Loading Modifyworld v1.19.7
[01:34:23] [Server thread/INFO]: [BookShop] Loading BookShop v5.2
[01:34:23] [Server thread/INFO]: [Essentials] Loading Essentials vTeamCity
[01:34:23] [Server thread/INFO]: [WorldBorder] Loading WorldBorder v1.8.3
[01:34:23] [Server thread/INFO]: [ServerSigns] Loading ServerSigns v2.9
[01:34:23] [Server thread/INFO]: [EssentialsSpawn] Loading EssentialsSpawn vTeamCity
[01:34:23] [Server thread/INFO]: [Dynmap-Essentials] Loading Dynmap-Essentials v0.60
[01:34:23] [Server thread/INFO]: [Multiverse-Portals] Loading Multiverse-Portals v2.5-b714
[01:34:23] [Server thread/INFO]: [Vault] Enabling Vault v1.5.3-b37
[01:34:23] [Server thread/INFO]: [Vault] [Economy] Essentials Economy found: Waiting
[01:34:23] [Server thread/INFO]: [Vault] [Permission] PermissionsEx found: Waiting
[01:34:23] [Server thread/INFO]: [Vault] [Permission] SuperPermissions loaded as backup permission system.
[01:34:23] [Server thread/INFO]: [Vault] [Chat] PermissionsEx found: Waiting
[01:34:23] [Server thread/INFO]: [Vault] Enabled Version 1.5.3-b37
[01:34:23] [Server thread/INFO]: [SkylandsPlus] Enabling SkylandsPlus v0.16-SNAPSHOT
[01:34:23] [Server thread/WARN]: **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
[01:34:23] [Server thread/WARN]: The server will make no attempt to authenticate usernames. Beware.
[01:34:23] [Server thread/WARN]: While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
[01:34:23] [Server thread/WARN]: To change this, set "online-mode" to "true" in the server.properties file.
[01:34:23] [Server thread/INFO]: **** Beginning UUID conversion, this may take A LONG time ****
[01:34:23] [Server thread/INFO]: Preparing level "w8"
[01:34:23] [Server thread/INFO]: Preparing start region for level 0 (Seed: 1626615012)
[01:34:24] [Server thread/INFO]: [WorldEdit] Enabling WorldEdit v6.1;no_git_id
[01:34:25] [Server thread/INFO]: WEPIF: Using the Bukkit Permissions API.
[01:34:25] [Server thread/INFO]: [WorldEdit] Using com.sk89q.worldedit.bukkit.adapter.impl.Spigot_v1_8_R3 as the Bukkit adapter
[01:34:25] [Server thread/INFO]: [RedstoneJukeboxTrig] Enabling RedstoneJukeboxTrig v2.6.0
[01:34:25] [Server thread/INFO]: RedstoneJukeboxTrig has been enabled!
[01:34:25] [Server thread/INFO]: [BungeeSuite] Enabling Teleports v0.50b-22
[01:34:25] [Server thread/INFO]: [Uberjump] Enabling Uberjump v0.2
[01:34:25] [Server thread/INFO]: [Uberjump] Has been enabled!
[01:34:25] [Server thread/INFO]: [ArmorClear] Enabling ArmorClear v1.0
[01:34:25] [Server thread/INFO]: ArmorClear enabled
[01:34:25] [Server thread/INFO]: [Multiverse-Core] Enabling Multiverse-Core v2.5-b693
[01:34:25] [Server thread/INFO]: [Multiverse-Core] [AllPay] - Version 13.0 - hooked into Essentials Economy for Multiverse-Core v2.5-b693
[01:34:26] [Server thread/INFO]: Preparing start region for level 1 (Seed: 1941865688)
[01:34:26] [Server thread/INFO]: Preparing start region for level 2 (Seed: 4045383540923910313)
[01:34:26] [Server thread/INFO]: Preparing start region for level 3 (Seed: 1604648873729918332)
[01:34:26] [Server thread/INFO]: Preparing start region for level 4 (Seed: 4429736850346202580)
[01:34:26] [Server thread/INFO]: Preparing start region for level 5 (Seed: -2835538084371891869)
[01:34:26] [Server thread/INFO]: Preparing start region for level 6 (Seed: 5965466942185092321)
[01:34:26] [Server thread/INFO]: Preparing start region for level 7 (Seed: 1604648873729918332)
[01:34:26] [Server thread/INFO]: Preparing start region for level 8 (Seed: -2626732826353357297)
[01:34:26] [Server thread/INFO]: Preparing start region for level 9 (Seed: 486897693250302611)
[01:34:26] [Server thread/INFO]: Preparing start region for level 10 (Seed: 404)
[01:34:26] [Server thread/INFO]: Preparing start region for level 11 (Seed: 8263077407236552967)
[01:34:26] [Server thread/INFO]: [Multiverse-Core] 12 - World(s) loaded.
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4confucian'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4rainbow'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4arena'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4mosque'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4lavapool'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4synagogue'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4cathedral'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4greattree'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4hindu'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4pagoda'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4monastery'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4icehouse'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4cave'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4henge'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4chrysler'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w5spawn'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6confucian'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6rainbow'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6arena'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6mosque'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6lavapool'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6synagogue'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6cathedral'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6greattree'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6hindu'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6pagoda'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6monastery'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6icehouse'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6cave'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6henge'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6chrysler'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6monsastery'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w2selkinor'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w2solace'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w2eyehill'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4skycity'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w6skycity'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w3radialcity'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w3eternia'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4abdel'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'w4lab'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'wAbyssia'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'wBaphomet'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'wCthulu'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Loading anchor:  'wDeimos'...
[01:34:26] [Server thread/INFO]: [Multiverse-Core] Version 2.5-b693 (API v18) Enabled - By Rigby, fernferret, lithium3141 and main--
[01:34:26] [Server thread/INFO]: [PermissionsEx] Enabling PermissionsEx v1.23.2
[01:34:26] [Server thread/INFO]: [PermissionsEx] Initializing file backend
[01:34:27] [Server thread/INFO]: [PermissionsEx] Permissions file successfully reloaded
[01:34:27] [Server thread/INFO]: WEPIF: PermissionsEx detected! Using PermissionsEx for permissions.
[01:34:27] [Server thread/INFO]: [Vault][Permission] PermissionsEx hooked.
[01:34:27] [Server thread/INFO]: [Vault][Chat] PermissionsEx_Chat hooked.
[01:34:27] [Server thread/INFO]: [ItemScan] Enabling ItemScan v1.1
[01:34:27] [Server thread/INFO]: <<ItemScan>> Coded by: sternmin8or
[01:34:27] [Server thread/INFO]: <<ItemScan>> Edited by: Alvarez @ PluginRequest.com
[01:34:32] [Server thread/INFO]: <<ItemScan>> v1.1 is now Enabled!
[01:34:32] [Server thread/INFO]: [BungeeSuite] Enabling Bans v0.50b-8
[01:34:32] [Server thread/INFO]: [WorldGuard] Enabling WorldGuard v5.9
[01:34:33] [Server thread/INFO]: [dynmap] Enabling dynmap v2.1-SNAPSHOT-1091
[01:34:33] [Server thread/INFO]: [dynmap] Using PermissionsEx 1.23.2 for access control
[01:34:34] [Server thread/INFO]: [dynmap] Mod Support processing completed
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 23 shaders.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 82 perspectives.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 14 lightings.
[01:34:35] [Server thread/INFO]: [dynmap] Web server started on address 0.0.0.0:8124
[01:34:35] [Server thread/INFO]: [dynmap] version 2.1-SNAPSHOT-1091 is enabled - core version 2.1-SNAPSHOT-2032
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w8'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w9'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 90 pending tile renders for world 'w9'
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w3'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 90 pending tile renders for world 'w3'
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w4'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 44 pending tile renders for world 'w4'
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wD'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'w5'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wC'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w6'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 136 pending tile renders for world 'w6'
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wB'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 2 maps of world 'wA'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w1'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 3 maps of world 'w2'.
[01:34:35] [Server thread/INFO]: [dynmap] Loaded 24 pending tile renders for world 'w2'
[01:34:35] [Server thread/INFO]: [dynmap] Enabled
[01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] Enabling Dynmap-WorldGuard v0.50
[01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] initializing
[01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] Custom flag 'dynmap-boost' not registered - WGCustomFlags not found
[01:34:36] [Server thread/INFO]: [Dynmap-WorldGuard] version 0.50 is activated
[01:34:36] [Server thread/INFO]: [BungeeSuite] Enabling Warps v0.17-SNAPSHOTb-11
[01:34:36] [Server thread/INFO]: [FishingPlus] Enabling FishingPlus v1.7.9a
[01:34:36] [Server thread/INFO]: [BungeeSuite] Enabling Chat v0.5b-56
[01:34:36] [Server thread/INFO]: [BooksWithoutBorders] Enabling BooksWithoutBorders v1.3.3b
[01:34:36] [Server thread/INFO]: [FrameDisable] Enabling FrameDisable v1.0
[01:34:36] [Server thread/INFO]: [TimeShift] Enabling TimeShift v3.0
[01:34:36] [Server thread/INFO]: Can not test connection as heartbeatsql is not set
[01:34:36] [Server thread/INFO]: Closing Connection[TimeShift.1] psReuse[0] psCreate[1] psSize[0]
[01:34:36] [Server thread/INFO]: TimeShift version 3.0 is enabled!
[01:34:36] [Server thread/INFO]: [NoLoginMessage] Enabling NoLoginMessage v1.2
[01:34:36] [Server thread/INFO]: [NoLoginMessage] config.yml successfully loaded.
[01:34:36] [Server thread/INFO]: [NoLoginMessage] Plugin has been activated!
[01:34:36] [Server thread/INFO]: [ChestShop] Enabling ChestShop v3.8.11
[01:34:37] [Server thread/INFO]: [ChestShop] Vault loaded! Found an economy plugin!
[01:34:37] [Server thread/INFO]: [CustomSpawners] Enabling CustomSpawners v0.6
[01:34:37] [Server thread/INFO]: [CustomSpawners] Getting the list of donors...
[01:34:38] [Server thread/INFO]: [CustomSpawners] Hooked into WorldGuard.
[01:34:38] [Server thread/INFO]: [CustomSpawners] Cannot hook into Heroes.
[01:34:38] [Server thread/INFO]: [CustomSpawners] Cannot hook into Citizens.
[01:34:38] [Server thread/INFO]: Loading entities from directory plugins/CustomSpawners/Entities
[01:34:38] [Server thread/INFO]: 0 total entities.
[01:34:38] [Server thread/INFO]: Load Complete!
[01:34:38] [Server thread/INFO]: Loading spawners from directory plugins/CustomSpawners/Spawners
[01:34:38] [Server thread/INFO]: 0 total spawners.
[01:34:38] [Server thread/INFO]: Load Complete!
[01:34:38] [Server thread/INFO]: Loading groups from directory plugins/CustomSpawners/Groups
[01:34:38] [Server thread/INFO]: 0 total groups.
[01:34:38] [Server thread/INFO]: Load Complete!
[01:34:38] [Server thread/INFO]: [CustomSpawners] CustomSpawners by thebiologist13 has been enabled!
[01:34:38] [Server thread/INFO]: [Modifyworld] Enabling Modifyworld v1.19.7
[01:34:38] [Server thread/INFO]: [Modifyworld] Modifyworld enabled!
[01:34:38] [Server thread/INFO]: [BookShop] Enabling BookShop v5.2
[01:34:38] [Server thread/INFO]: BookShopEnabled in 114 ms
[01:34:38] [Server thread/INFO]: [Essentials] Enabling Essentials vTeamCity
[01:34:38] [Server thread/INFO]: Bukkit version format changed. Version not checked.
[01:34:38] [Server thread/INFO]: git-Spigot-07a5b1b-04afd79 (MC: 1.8.7)
[01:34:38] [Server thread/INFO]: 1.8.7-R0.1-SNAPSHOT
[01:34:39] [Server thread/INFO]: Using locale en_US
[01:34:41] [Server thread/INFO]: Using locale en_US
[01:34:42] [Server thread/INFO]: [Vault][Economy] Essentials Economy hooked.
[01:34:42] [Server thread/INFO]: Essentials: Using PermissionsEx based permissions.
[01:34:42] [Server thread/INFO]: [WorldBorder] Enabling WorldBorder v1.8.3
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Using rectangular/square border, knockback of 3.0 blocks, and timer delay of 5.
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Border-checking timed task started.
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w3" has border radius 2500 at X: 200.0 Z: -1000.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w2" has border radius 2200 at X: 700.0 Z: 600.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w1" has border radius 450 at X: 100.0 Z: 0.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w8" has border radius 1000 at X: 0.0 Z: 0.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w9" has border radius 2500 at X: 0.0 Z: 0.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w4" has border radius 945x840 at X: 820.2 Z: -330.1
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] World "w7" has border radius 2500 at X: 10.0 Z: -42.0
[01:34:42] [Server thread/INFO]: [WorldBorder] [CONFIG] Successfully hooked into DynMap for the ability to display borders.
[01:34:42] [Server thread/INFO]: [WorldBorder] For reference, the main world's spawn location is at X: 0.0 Y: 40.0 Z: 0.0
[01:34:42] [Server thread/INFO]: [ServerSigns] Enabling ServerSigns v2.9
[01:34:58] [Server thread/INFO]: [ServerSigns] Successfully hooked in into Vault
[01:34:58] [Server thread/INFO]: [ServerSigns] Update checking skipped - To enable this, set 'automaticUpdateChecks' to true in your config.yml
[01:34:58] [Server thread/INFO]: [ServerSigns] Version 2.9 is now enabled.
[01:34:58] [Server thread/INFO]: [EssentialsSpawn] Enabling EssentialsSpawn vTeamCity
[01:34:58] [Server thread/INFO]: [Dynmap-Essentials] Enabling Dynmap-Essentials v0.60
[01:34:58] [Server thread/INFO]: [Dynmap-Essentials] initializing
[01:34:58] [Server thread/INFO]: [Dynmap-Essentials] version 0.60 is activated
[01:34:58] [Server thread/INFO]: [Multiverse-Portals] Enabling Multiverse-Portals v2.5-b714
[01:34:58] [Server thread/INFO]: [Multiverse-Portals] - Version 2.5-b714 Enabled - By Rigby and fernferret
[01:35:02] [Server thread/INFO]: [MVPLogging] 132 - Portals(s) loaded
[01:35:03] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[01:35:04] [Server thread/INFO]: Done (40.703s)! For help, type "help" or "?"
[01:35:04] [Dynmap Render Thread/INFO]: [dynmap] Loading default resource pack
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #24 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.FileManager.autosaveAll(FileManager.java:112) ~[?:?]
	at com.github.thebiologist13.CustomSpawners$3.run(CustomSpawners.java:1402) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:05] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:06] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:07] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:08] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:09] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:10] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:11] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:12] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:13] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:14] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:15] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:16] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:17] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:18] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:19] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:20] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:21] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:22] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:23] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:24] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:25] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:26] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:27] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:28] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:29] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:30] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:31] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:32] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:33] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:34] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #23 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$2.run(CustomSpawners.java:1379) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:35] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:36] [Server thread/WARN]: [CustomSpawners] Task #22 for CustomSpawners v0.6 generated an exception
java.lang.NoSuchMethodError: java.util.concurrent.ConcurrentHashMap.keySet()Ljava/util/concurrent/ConcurrentHashMap$KeySetView;
	at com.github.thebiologist13.CustomSpawners$1.run(CustomSpawners.java:1272) ~[?:?]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[sp.jar:git-Spigot-07a5b1b-04afd79]
	at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:726) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:367) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [sp.jar:git-Spigot-07a5b1b-04afd79]
	at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
[01:35:36] [Server thread/INFO]: Stopping the server
[01:35:36] [Server thread/INFO]: Stopping server
[01:35:36] [Server thread/INFO]: [Multiverse-Portals] Disabling Multiverse-Portals v2.5-b714
[01:35:36] [Server thread/INFO]: [Dynmap-Essentials] Disabling Dynmap-Essentials v0.60
[01:35:36] [Server thread/INFO]: [EssentialsSpawn] Disabling EssentialsSpawn vTeamCity
[01:35:36] [Server thread/INFO]: [ServerSigns] Disabling ServerSigns v2.9
[01:35:36] [Server thread/INFO]: [ServerSigns] ServerSigns is now disabled.
[01:35:36] [Server thread/INFO]: [WorldBorder] Disabling WorldBorder v1.8.3
[01:35:36] [Server thread/INFO]: [WorldBorder] [CONFIG] Border-checking timed task stopped.
[01:35:36] [Server thread/INFO]: [Essentials] Disabling Essentials vTeamCity
[01:35:36] [Server thread/INFO]: [Vault][Economy] Essentials Economy unhooked.
[01:35:36] [Server thread/INFO]: [BookShop] Disabling BookShop v5.2
[01:35:36] [Server thread/INFO]: BookShopdisabled in 1 ms
[01:35:36] [Server thread/INFO]: [Modifyworld] Disabling Modifyworld v1.19.7
[01:35:36] [Server thread/INFO]: [Modifyworld] Modifyworld successfully disabled!
[01:35:36] [Server thread/INFO]: [CustomSpawners] Disabling CustomSpawners v0.6
[01:35:36] [Server thread/INFO]: Saving entities...
[01:35:36] [Server thread/INFO]: 0 entities to save.
[01:35:36] [Server thread/INFO]: Save complete!
[01:35:36] [Server thread/INFO]: Saving spawners...
[01:35:36] [Server thread/INFO]: 0 spawners to save.
[01:35:36] [Server thread/INFO]: Save complete!
[01:35:36] [Server thread/INFO]: Saving groups...
[01:35:36] [Server thread/INFO]: 0 groups to save.
[01:35:36] [Server thread/INFO]: Save complete!
[01:35:36] [Server thread/INFO]: CustomSpawners by thebiologist13 has been disabled!
[01:35:36] [Server thread/INFO]: [SkylandsPlus] Disabling SkylandsPlus v0.16-SNAPSHOT
[01:35:36] [Server thread/INFO]: [NoLoginMessage] Disabling NoLoginMessage v1.2
[01:35:36] [Server thread/INFO]: [TimeShift] Disabling TimeShift v3.0
[01:35:36] [Server thread/INFO]: [FrameDisable] Disabling FrameDisable v1.0
[01:35:36] [Server thread/INFO]: [BooksWithoutBorders] Disabling BooksWithoutBorders v1.3.3b
[01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Chat v0.5b-56
[01:35:36] [Server thread/INFO]: [FishingPlus] Disabling FishingPlus v1.7.9a
[01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Warps v0.17-SNAPSHOTb-11
[01:35:36] [Server thread/INFO]: [Dynmap-WorldGuard] Disabling Dynmap-WorldGuard v0.50
[01:35:36] [Server thread/INFO]: [dynmap] Disabling dynmap v2.1-SNAPSHOT-1091
[01:35:36] [Server thread/INFO]: [dynmap] Unloaded 11 components.
[01:35:36] [Server thread/INFO]: [dynmap] Stopping map renderer...
[01:35:36] [Server thread/INFO]: [dynmap] Saved 10 pending tile renders in world 'w2'
[01:35:36] [Server thread/INFO]: [dynmap] Saved 8 pending tile renders in world 'w3'
[01:35:36] [Server thread/INFO]: [dynmap] Saved 18 pending tile renders in world 'w4'
[01:35:36] [Server thread/INFO]: [dynmap] Saved 62 pending tile renders in world 'w6'
[01:35:36] [Server thread/INFO]: [dynmap] Saved 34 pending tile renders in world 'w9'
[01:35:36] [Server thread/INFO]: [dynmap] Disabled
[01:35:36] [Server thread/INFO]: [WorldGuard] Disabling WorldGuard v5.9
[01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Bans v0.50b-8
[01:35:36] [Server thread/INFO]: [ItemScan] Disabling ItemScan v1.1
[01:35:36] [Server thread/INFO]: <<ItemScan>> v1.1 is now Disabled!
[01:35:36] [Server thread/INFO]: [PermissionsEx] Disabling PermissionsEx v1.23.2
[01:35:36] [Server thread/INFO]: WEPIF: PermissionsEx detected! Using PermissionsEx for permissions.
[01:35:36] [Server thread/INFO]: [Vault][Permission] PermissionsEx un-hooked.
[01:35:36] [Server thread/INFO]: [Vault][Chat] PermissionsEx_Chat un-hooked.
[01:35:36] [Server thread/INFO]: [Multiverse-Core] Disabling Multiverse-Core v2.5-b693
[01:35:36] [Server thread/INFO]: [Vault] Disabling Vault v1.5.3-b37
[01:35:36] [Server thread/INFO]: [ArmorClear] Disabling ArmorClear v1.0
[01:35:36] [Server thread/INFO]: ArmorClear disabled
[01:35:36] [Server thread/INFO]: [Uberjump] Disabling Uberjump v0.2
[01:35:36] [Server thread/INFO]: [Uberjump] Has been disabled!
[01:35:36] [Server thread/INFO]: [BungeeSuite] Disabling Teleports v0.50b-22
[01:35:36] [Server thread/INFO]: [RedstoneJukeboxTrig] Disabling RedstoneJukeboxTrig v2.6.0
[01:35:36] [Server thread/INFO]: RedstoneJukeboxTrig has been disabled.
[01:35:36] [Server thread/INFO]: [WorldEdit] Disabling WorldEdit v6.1;no_git_id
[01:35:36] [Server thread/INFO]: Saving players
[01:35:36] [Server thread/INFO]: Saving worlds
[01:35:36] [Server thread/INFO]: Saving chunks for level 'w8'/Overworld
[01:35:36] [Server thread/INFO]: Saving chunks for level 'w9'/Overworld
[01:35:36] [Server thread/INFO]: Saving chunks for level 'w3'/Overworld
[01:35:37] [Server thread/INFO]: Saving chunks for level 'w4'/Overworld
[01:35:37] [Server thread/INFO]: Saving chunks for level 'wD'/The End
[01:35:37] [Server thread/INFO]: Saving chunks for level 'w5'/Nether
[01:35:37] [Server thread/INFO]: Saving chunks for level 'wC'/The End
[01:35:37] [Server thread/INFO]: Saving chunks for level 'w6'/Overworld
[01:35:37] [Server thread/INFO]: Saving chunks for level 'wB'/The End
[01:35:37] [Server thread/INFO]: Saving chunks for level 'wA'/The End
[01:35:37] [Server thread/INFO]: Saving chunks for level 'w1'/Overworld
[01:35:37] [Server thread/INFO]: Saving chunks for level 'w2'/Overworld