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

Time: 12/31/12 10:55 AM
Description: Manually triggered debug crash

java.lang.Throwable
	at net.minecraft.client.Minecraft.l(SourceFile:1172)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.Thread.run(Unknown Source)


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

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [ays['failed_up'/11, l='MpServer', x=-778.54, y=60.62, z=135.27]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-814,4,106), Chunk: (at 2,0,10 in -51,6; contains blocks -816,0,96 to -801,255,111), Region: (-2,0; contains chunks -64,0 to -33,31, blocks -1024,0,0 to -513,255,511)
	Level time: 1174025 game time, 8234 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: adventure (ID 2). Hardcore: false. Cheats: false
	Forced entities: 3 total; [qu['Villager'/9, l='MpServer', x=-764.50, y=53.00, z=147.50], qu['Villager'/10, l='MpServer', x=-753.50, y=53.00, z=147.50], ays['failed_up'/11, l='MpServer', x=-778.54, y=60.62, z=135.27]]
	Retry entities: 0 total; []
Stacktrace:
	at ayp.a(SourceFile:281)
	at net.minecraft.client.Minecraft.b(SourceFile:1871)
	at net.minecraft.client.Minecraft.run(SourceFile:543)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.4.6
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_31, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 797252392 bytes (760 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms1024m -Xmx1024m
	AABB Pool Size: 53 (2968 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	Suspicious classes: IWrUpdater, Config, WrUpdaterThreaded, ...]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: ATI Radeon HD 4200  GL version 3.3.9836 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Very likely; Jar signature invalidated
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 71 (3976 bytes; 0 MB) allocated, 21 (1176 bytes; 0 MB) used