CrashReport

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 1/3/13 2:20 PM
Description: Exception ticking world entities

java.lang.IndexOutOfBoundsException: Index: 13, Size: 13
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.remove(ArrayList.java:445)
	at yc.h(World.java:2136)
	at in.h(WorldServer.java:516)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:679)
	at ho.r(DedicatedServer.java:270)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
	at fy.run(SourceFile:849)


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

-- Head --
Stacktrace:
	at java.util.ArrayList.rangeCheck(ArrayList.java:604)
	at java.util.ArrayList.remove(ArrayList.java:445)
	at yc.h(World.java:2136)
	at in.h(WorldServer.java:516)

-- Affected level --
Details:
	Level name: world
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 32 Drop: 32
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:679)
	at ho.r(DedicatedServer.java:270)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:598)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
	at fy.run(SourceFile:849)