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

Time: 1/7/13 9:27 PM
Description: Updating screen events

java.lang.IndexOutOfBoundsException: Index: 49, Size: 45
	at java.util.ArrayList.rangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at rq.a(SourceFile:281)
	at azc.a(SourceFile:282)
	at avs.a(SourceFile:578)
	at avs.a(SourceFile:602)
	at avs.a(SourceFile:587)
	at auy.n(SourceFile:153)
	at auy.m(SourceFile:115)
	at net.minecraft.client.Minecraft.l(SourceFile:1086)
	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:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at java.util.ArrayList.rangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at rq.a(SourceFile:281)
	at azc.a(SourceFile:282)
	at avs.a(SourceFile:578)
	at avs.a(SourceFile:602)
	at avs.a(SourceFile:587)
	at auy.n(SourceFile:153)
	at auy.m(SourceFile:115)

-- Affected screen --
Details:
	Screen name: ~~ERROR~~ NullPointerException: null

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [azg['iminecraft117'/28, l='MpServer', x=-833.70, y=58.62, z=-725.51]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-820,4,-733), Chunk: (at 12,0,3 in -52,-46; contains blocks -832,0,-736 to -817,255,-721), Region: (-2,-2; contains chunks -64,-64 to -33,-33, blocks -1024,0,-1024 to -513,255,-513)
	Level time: 95818 game time, 11121 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: 1 total; [azg['iminecraft117'/28, l='MpServer', x=-833.70, y=58.62, z=-725.51]]
	Retry entities: 0 total; []
Stacktrace:
	at azd.a(SourceFile:281)
	at net.minecraft.client.Minecraft.b(SourceFile:1872)
	at net.minecraft.client.Minecraft.run(SourceFile:543)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 13w01b
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 299028920 bytes (285 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -Xms512m -Xmx512m
	AABB Pool Size: 542 (30352 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: ATI Radeon HD 5450 GL version 4.2.11318 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: 79 (4424 bytes; 0 MB) allocated, 16 (896 bytes; 0 MB) used