---- Minecraft Crash Report ----
// There are four lights!

Time: 2/14/13 4:07 PM
Description: Saving entity NBT

java.lang.NullPointerException
	at qw.d(SourceFile:221)
	at qw.b(SourceFile:171)
	at ml.d(SourceFile:971)
	at ml.c(SourceFile:950)
	at zh.a(SourceFile:115)
	at zh.h(SourceFile:214)
	at bgh.a(SourceFile:22)
	at bgh.a(SourceFile:17)
	at bgh.a(SourceFile:12)
	at bgm.a(SourceFile:107)
	at bgm.a(SourceFile:99)
	at bdj.a(SourceFile:314)
	at bdf.a(SourceFile:883)
	at bdf.b(SourceFile:741)
	at net.minecraft.client.Minecraft.J(SourceFile:597)
	at net.minecraft.client.Minecraft.run(SourceFile:526)
	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 qw.d(SourceFile:221)
	at qw.b(SourceFile:171)

-- Entity being saved --
Details:
	Entity Type: Item (qw)
	Entity ID: 11
	Entity Name: ~~ERROR~~ NullPointerException: null
	Entity's Exact location: 0.00, 0.00, 0.00
	Entity's Block 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)
	Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
	at ml.d(SourceFile:971)
	at ml.c(SourceFile:950)
	at zh.a(SourceFile:115)
	at zh.h(SourceFile:214)
	at bgh.a(SourceFile:22)
	at bgh.a(SourceFile:17)
	at bgh.a(SourceFile:12)

-- Tile Entity Details --
Details:
	Name: MobSpawner // apy
	Block type: ID #52 (tile.mobSpawner // amz)
	Block data value: 0 / 0x0 / 0b0000
	Block location: World: (0,67,0), Chunk: (at 0,4,0 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)
	Actual block type: ID #52 (tile.mobSpawner // amz)
	Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
	at bgm.a(SourceFile:107)
	at bgm.a(SourceFile:99)
	at bdj.a(SourceFile:314)
	at bdf.a(SourceFile:883)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bbk['MegaSniperB'/1, l='MpServer', x=-60.61, y=59.62, z=0.57]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (1000,64,1000), Chunk: (at 8,4,8 in 62,62; contains blocks 992,0,992 to 1007,255,1007), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
	Level time: 895765 game time, 6546 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 4 total; [bbk['MegaSniperB'/1, l='MpServer', x=-60.61, y=59.62, z=0.57], qw['item.item.helmetGold'/3, l='MpServer', x=-2.50, y=68.63, z=4.43], qw['item.item.helmetGold'/4, l='MpServer', x=-0.38, y=69.13, z=3.53], qw['item.item.helmetGold'/5, l='MpServer', x=1.84, y=69.13, z=-2.66]]
	Retry entities: 0 total; []
Stacktrace:
	at bbj.a(SourceFile:282)
	at net.minecraft.client.Minecraft.b(SourceFile:1876)
	at net.minecraft.client.Minecraft.run(SourceFile:535)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 13w07a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_03, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 3747113768 bytes (3573 MB) / 4116054016 bytes (3925 MB) up to 4116054016 bytes (3925 MB)
	JVM Flags: 2 total; -Xmx4096M -Xms4096M
	AABB Pool Size: 663 (37128 bytes; 0 MB) allocated, 44 (2464 bytes; 0 MB) used
	Suspicious classes: $Proxy3, $Proxy4]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: ATI Radeon HD 4200 GL version 3.3.10834 Compatibility Profile Context, 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: 1021 (57176 bytes; 0 MB) allocated, 44 (2464 bytes; 0 MB) used