-- Head --
Stacktrace:
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
	at net.minecraft.world.chunk.Chunk.func_76623_d(Chunk.java:1032)
	at net.minecraft.world.gen.ChunkProviderServer.func_73156_b(ChunkProviderServer.java:503)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:261)

-- Affected level --
Details:
	Level name: world
	All players: 6 total; [EntityPlayerMP['FoNZik'/1449726, l='world', x=4289.35, y=66.00, z=648.17](FoNZik at 4289.351335981354,66.0,648.1689823651176), EntityPlayerMP['Forss'/1460652, l='world', x=-4011.48, y=66.00, z=-6878.93](Forss at -4011.4786116410455,66.0,-6878.933541262913), EntityPlayerMP['Kaneki'/2096774, l='world', x=-1648.20, y=71.00, z=-5275.64](Kaneki at -1648.2020307890157,70.99657404410092,-5275.636654293878), EntityPlayerMP['ZeeR0'/1423852, l='world', x=-1643.13, y=70.00, z=-5301.70](ZeeR0 at -1643.1305250432727,70.0,-5301.700262421386), EntityPlayerMP['Rokvell'/2823875, l='world', x=-1471.85, y=69.26, z=-5148.53](Rokvell at -1471.847041311696,69.25659320179716,-5148.5321801283035), EntityPlayerMP['holyinkvizitor'/3642851, l='world', x=2957.47, y=51.59, z=230.74](holyinkvizitor at 2957.466384995945,51.59133601249075,230.74170431508068)]
	Chunk stats: ServerChunkCache: 1054 Drop: 70
	Level seed: -982739371415683566
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options:
	Level spawn location: World: (3080,65,-3170), Chunk: (at 8,4,14 in 192,-199; contains blocks 3072,0,-3184 to 3087,255,-3169), Region: (6,-7; contains chunks 192,-224 to 223,-193, blocks 3072,0,-3584 to 3583,255,-3073)
	Level time: 50449400 game time, 51189319 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 5624 (now: false), thunder time: 68262 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:931)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:431)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:809)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:669)
	at java.lang.Thread.run(Thread.java:745)