---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 03/06/13 01:37
Description: Loading entity NBT

java.lang.UnsupportedOperationException: Cannot modify readonly attribute
	at oi.a(SourceFile:54)
	at sx.a(SourceFile:87)
	at sx.a(SourceFile:70)
	at np.a(SourceFile:348)
	at nq.a(SourceFile:251)
	at mu.a(SourceFile:87)
	at tg.a(SourceFile:175)
	at mx.f(SourceFile:1061)
	at aas.a(SourceFile:131)
	at aas.h(SourceFile:234)
	at bhk.a(SourceFile:22)
	at bhk.a(SourceFile:17)
	at bhk.a(SourceFile:12)
	at bhp.a(SourceFile:106)
	at bhp.a(SourceFile:98)
	at bdz.a(SourceFile:317)
	at bds.a(SourceFile:836)
	at bds.b(SourceFile:682)
	at asx.R(SourceFile:674)
	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 oi.a(SourceFile:54)
	at sx.a(SourceFile:87)
	at sx.a(SourceFile:70)
	at np.a(SourceFile:348)
	at nq.a(SourceFile:251)
	at mu.a(SourceFile:87)
	at tg.a(SourceFile:175)

-- Entity being loaded --
Details:
	Entity Type: Villager (tg)
	Entity ID: 41
	Entity Name: Villager
	Entity's Exact location: 849.50, 24.00, -969.50
	Entity's Block location: World: (849,24,-970), Chunk: (at 1,1,6 in 53,-61; contains blocks 848,0,-976 to 863,255,-961), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513)
	Entity's Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at mx.f(SourceFile:1061)
	at aas.a(SourceFile:131)
	at aas.h(SourceFile:234)
	at bhk.a(SourceFile:22)
	at bhk.a(SourceFile:17)
	at bhk.a(SourceFile:12)

-- Tile Entity Details --
Details:
	Name: MobSpawner // arm
	Block type: ID #52 (tile.mobSpawner // aol)
	Block data value: 0 / 0x0 / 0b0000
	Block location: World: (855,24,-969), Chunk: (at 7,1,7 in 53,-61; contains blocks 848,0,-976 to 863,255,-961), Region: (1,-2; contains chunks 32,-64 to 63,-33, blocks 512,0,-1024 to 1023,255,-513)
	Actual block type: ID #52 (tile.mobSpawner // aol)
	Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
	at bhp.a(SourceFile:106)
	at bhp.a(SourceFile:98)
	at bdz.a(SourceFile:317)
	at bds.a(SourceFile:836)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bbw['Sarc222'/32, l='MpServer', x=848.30, y=30.47, z=-966.27]]
	Chunk stats: MultiplayerChunkCache: 70
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (839,4,-1060), Chunk: (at 7,0,12 in 52,-67; contains blocks 832,0,-1072 to 847,255,-1057), Region: (1,-3; contains chunks 32,-96 to 63,-65, blocks 512,0,-1536 to 1023,255,-1025)
	Level time: 3548623 game time, 22 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; [bbw['Sarc222'/32, l='MpServer', x=848.30, y=30.47, z=-966.27], sh['entity.MinecartSpawner.name'/4, l='MpServer', x=847.50, y=37.69, z=-939.50], sh['entity.MinecartSpawner.name'/5, l='MpServer', x=855.50, y=37.69, z=-939.50], sh['entity.MinecartSpawner.name'/6, l='MpServer', x=851.50, y=37.69, z=-939.50]]
	Retry entities: 0 total; []
Stacktrace:
	at bbt.a(SourceFile:282)
	at asx.b(SourceFile:1793)
	at asx.d(SourceFile:616)
	at net.minecraft.client.main.Main.main(SourceFile:78)

-- System Details --
Details:
	Minecraft Version: 13w22a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_15, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 98748896 bytes (94 MB) / 294256640 bytes (280 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 21635 (1211560 bytes; 1 MB) allocated, 28 (1568 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 4.2.12002 Compatibility Profile Context 9.12.0.0, 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: 179 (10024 bytes; 0 MB) allocated, 58 (3248 bytes; 0 MB) used