---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 23/05/13 17:02
Description: Exception in world tick

java.lang.ArrayIndexOutOfBoundsException: 2
	at mg.a(SourceFile:66)
	at vj.c(SourceFile:77)
	at ud.a(SourceFile:391)
	at bbf.a(SourceFile:815)
	at dl.a(SourceFile:45)
	at cj.b(SourceFile:64)
	at bbf.d(SourceFile:95)
	at bbn.b(SourceFile:58)
	at asx.k(SourceFile:1387)
	at asx.R(SourceFile:651)
	at asx.d(SourceFile:607)
	at net.minecraft.client.main.Main.main(SourceFile:78)


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

-- Head --
Stacktrace:
	at mg.a(SourceFile:66)
	at vj.c(SourceFile:77)
	at ud.a(SourceFile:391)
	at bbf.a(SourceFile:815)
	at dl.a(SourceFile:45)
	at cj.b(SourceFile:64)
	at bbf.d(SourceFile:95)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bbq['User'/0, l='MpServer', x=-1206.05, y=57.62, z=-466.00]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-1204,4,-473), Chunk: (at 12,0,7 in -76,-30; contains blocks -1216,0,-480 to -1201,255,-465), Region: (-3,-1; contains chunks -96,-32 to -65,-1, blocks -1536,0,-512 to -1025,255,-1)
	Level time: 3675 game time, 3675 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 4 total; [ra['Donkey'/11911, l='MpServer', x=-1208.25, y=56.00, z=-466.00], ra['Horse'/11151, l='MpServer', x=-1203.78, y=56.00, z=-470.50], ra['Horse'/11549, l='MpServer', x=-1208.16, y=56.00, z=-461.91], bbq['User'/0, l='MpServer', x=-1206.05, y=57.62, z=-466.00]]
	Retry entities: 0 total; []
Stacktrace:
	at bbn.a(SourceFile:282)
	at asx.k(SourceFile:1394)
	at asx.R(SourceFile:651)
	at asx.d(SourceFile:607)
	at net.minecraft.client.main.Main.main(SourceFile:78)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bbq['User'/0, l='MpServer', x=-1206.05, y=57.62, z=-466.00]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-1204,4,-473), Chunk: (at 12,0,7 in -76,-30; contains blocks -1216,0,-480 to -1201,255,-465), Region: (-3,-1; contains chunks -96,-32 to -65,-1, blocks -1536,0,-512 to -1025,255,-1)
	Level time: 3675 game time, 3675 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 4 total; [ra['Donkey'/11911, l='MpServer', x=-1208.25, y=56.00, z=-466.00], ra['Horse'/11151, l='MpServer', x=-1203.78, y=56.00, z=-470.50], ra['Horse'/11549, l='MpServer', x=-1208.16, y=56.00, z=-461.91], bbq['User'/0, l='MpServer', x=-1206.05, y=57.62, z=-466.00]]
	Retry entities: 0 total; []

-- System Details --
Details:
	Minecraft Version: 13w21a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_13, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 181015224 bytes (172 MB) / 401342464 bytes (382 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 528 (29568 bytes; 0 MB) allocated, 80 (4480 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 7800 Series GL version 4.2.12217 Compatibility Profile Context 12.104.0.0, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 83 (4648 bytes; 0 MB) allocated, 31 (1736 bytes; 0 MB) used