---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Description: Ticking entity

java.lang.ArrayIndexOutOfBoundsException: -1
	at net.minecraft.world.chunk.Chunk.func_76628_c(Chunk.java:547)
	at net.minecraft.world.chunk.Chunk.func_150812_a(Chunk.java:878)
	at net.minecraft.world.World.func_147455_a(World.java:2600)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1611)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:206)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
	at net.minecraft.world.World.func_72870_g(World.java:2034)
	at net.minecraft.world.World.func_72939_s(World.java:1887)
	at net.minecraft.world.WorldServer.func_72939_s(WorldServer.java:489)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:636)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:334)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at net.minecraft.world.chunk.Chunk.func_76628_c(Chunk.java:547)
	at net.minecraft.world.chunk.Chunk.func_150812_a(Chunk.java:878)
	at net.minecraft.world.World.func_147455_a(World.java:2600)
	at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:1611)
	at net.minecraft.entity.EntityLiving.func_70071_h_(EntityLiving.java:206)
	at net.minecraft.world.World.func_72866_a(World.java:2070)
	at net.minecraft.world.WorldServer.func_72866_a(WorldServer.java:648)
	at net.minecraft.world.World.func_72870_g(World.java:2034)