Sorry. Can be deleted. It's a duplicate from 7772.

Always when a pickaxe (wood, stone, iron, diamond) breaks, minecraft crashes. The map is not from 13w03a.
Edit: Happens also in a newly created map with 13w03a.
Crash-report:
---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 19.01.13 13:03
Description: Unexpected error

java.lang.NullPointerException
at bbp.a(SourceFile:200)
at bbp.c(SourceFile:151)
at net.minecraft.client.Minecraft.a(SourceFile:930)
at net.minecraft.client.Minecraft.l(SourceFile:1299)
at net.minecraft.client.Minecraft.K(SourceFile:573)
at net.minecraft.client.Minecraft.run(SourceFile:525)
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 bbp.a(SourceFile:200)
at bbp.c(SourceFile:151)
at net.minecraft.client.Minecraft.a(SourceFile:930)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bbt['reptile311'/109, l='MpServer', x=-148,91, y=6,62, z=-96,55]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (44,64,68), Chunk: (at 12,4,4 in 2,4; contains blocks 32,0,64 to 47,255,79), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 314586 game time, 392247 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 100 total; [mr['Painting'/0, l='MpServer', x=-158,94, y=73,00, z=-119,00], pk['Cow'/274, l='MpServer', x=-70,09, y=69,00, z=-158,94], mr['Painting'/1, l='MpServer', x=-152,06, y=73,50, z=-119,00], rf['Slime'/273, l='MpServer', x=-76,31, y=65,00, z=-166,31], pk['Cow'/272, l='MpServer', x=-75,50, y=65,00, z=-167,50], qt['Creeper'/321567, l='MpServer', x=-202,50, y=50,00, z=-118,50], pj['Chicken'/8, l='MpServer', x=-148,56, y=78,00, z=-22,56], qi['item.tile.stonebrick'/504609, l='MpServer', x=-147,33, y=5,65, z=-96,71], pj['Chicken'/9, l='MpServer', x=-157,66, y=72,00, z=-28,56], pp['Sheep'/14, l='MpServer', x=-132,53, y=71,00, z=-81,81], pp['Sheep'/15, l='MpServer', x=-131,22, y=71,00, z=-82,53], pp['Sheep'/17, l='MpServer', x=-132,31, y=71,00, z=-79,75], pp['Sheep'/16, l='MpServer', x=-126,19, y=71,00, z=-74,50], pk['Cow'/256, l='MpServer', x=-97,69, y=63,00, z=-160,44], pp['Sheep'/19, l='MpServer', x=-131,38, y=71,00, z=-80,84], rf['Slime'/257, l='MpServer', x=-98,63, y=61,00, z=-173,63], pp['Sheep'/18, l='MpServer', x=-126,94, y=71,00, z=-81,84], pp['Sheep'/262, l='MpServer', x=-113,66, y=67,00, z=-137,50], pp['Sheep'/21, l='MpServer', x=-125,75, y=71,00, z=-82,28], rg['Spider'/450080, l='MpServer', x=-209,50, y=50,00, z=-79,50], pk['Cow'/263, l='MpServer', x=-81,53, y=64,00, z=-166,28], pp['Sheep'/20, l='MpServer', x=-132,50, y=71,00, z=-75,75], pj['Chicken'/25, l='MpServer', x=-142,63, y=76,00, z=-29,41], rf['Slime'/266, l='MpServer', x=-85,66, y=64,18, z=-164,22], rf['Slime'/264, l='MpServer', x=-80,22, y=66,00, z=-164,22], ph['Bat'/352658, l='MpServer', x=-115,78, y=26,82, z=-61,58], rf['Slime'/265, l='MpServer', x=-83,00, y=65,00, z=-164,22], re['Skeleton'/390043, l='MpServer', x=-220,50, y=12,00, z=-60,50], pp['Sheep'/35, l='MpServer', x=-132,53, y=71,00, z=-74,47], pp['Sheep'/38, l='MpServer', x=-105,19, y=64,00, z=-114,84], pp['Sheep'/39, l='MpServer', x=-99,94, y=97,00, z=-80,19], pp['Sheep'/37, l='MpServer', x=-109,53, y=63,00, z=-121,41], pp['Sheep'/42, l='MpServer', x=-101,56, y=71,00, z=-32,78], qt['Creeper'/450079, l='MpServer', x=-212,50, y=50,00, z=-77,50], ri['Zombie'/422533, l='MpServer', x=-220,50, y=12,00, z=-65,50], pp['Sheep'/43, l='MpServer', x=-96,81, y=75,00, z=-23,53], pp['Sheep'/40, l='MpServer', x=-102,06, y=69,00, z=-36,06], pj['Chicken'/41, l='MpServer', x=-123,38, y=73,00, z=-28,44], pp['Sheep'/46, l='MpServer', x=-90,50, y=108,00, z=-75,50], pp['Sheep'/47, l='MpServer', x=-83,38, y=109,00, z=-73,13], pp['Sheep'/45, l='MpServer', x=-81,41, y=105,00, z=-80,47], pp['Sheep'/51, l='MpServer', x=-70,56, y=64,00, z=-106,78], pp['Sheep'/50, l='MpServer', x=-75,13, y=65,00, z=-103,94], qu['Enderman'/351497, l='MpServer', x=-204,66, y=56,00, z=-126,03], qu['Enderman'/247802, l='MpServer', x=-217,47, y=34,00, z=-124,69], qt['Creeper'/321568, l='MpServer', x=-205,50, y=50,00, z=-108,50], qt['Creeper'/321569, l='MpServer', x=-201,50, y=50,00, z=-119,50], qt['Creeper'/319022, l='MpServer', x=-137,50, y=93,00, z=-149,50], mr['Painting'/0, l='MpServer', x=-158,94, y=73,00, z=-119,00], mr['Painting'/1, l='MpServer', x=-152,06, y=73,50, z=-119,00], ri['Zombie'/502958, l='MpServer', x=-142,50, y=24,00, z=-45,50], qu['Enderman'/150340, l='MpServer', x=-76,50, y=21,00, z=-97,50], qt['Creeper'/150338, l='MpServer', x=-76,03, y=21,00, z=-103,41], re['Skeleton'/502946, l='MpServer', x=-226,50, y=36,00, z=-129,50], re['Skeleton'/502945, l='MpServer', x=-226,50, y=36,00, z=-127,50], re['Skeleton'/10903, l='MpServer', x=-115,50, y=22,00, z=-60,50], re['Skeleton'/387672, l='MpServer', x=-78,50, y=12,00, z=-83,50], ri['Zombie'/271422, l='MpServer', x=-201,00, y=66,00, z=-107,44], ph['Bat'/367837, l='MpServer', x=-229,66, y=22,10, z=-165,47], ph['Bat'/396485, l='MpServer', x=-209,04, y=50,45, z=-110,51], ph['Bat'/367838, l='MpServer', x=-220,30, y=21,00, z=-163,20], qt['Creeper'/271414, l='MpServer', x=-226,09, y=65,00, z=-175,91], re['Skeleton'/387671, l='MpServer', x=-76,50, y=12,00, z=-85,50], rg['Spider'/353607, l='MpServer', x=-129,03, y=16,00, z=-58,66], re['Skeleton'/9206, l='MpServer', x=-207,09, y=50,00, z=-113,53], qt['Creeper'/365255, l='MpServer', x=-74,50, y=21,00, z=-106,50], re['Skeleton'/440056, l='MpServer', x=-158,50, y=21,00, z=-37,50], ri['Zombie'/440055, l='MpServer', x=-154,19, y=19,00, z=-39,50], rg['Spider'/440052, l='MpServer', x=-160,59, y=21,00, z=-36,00], qt['Creeper'/365257, l='MpServer', x=-73,50, y=21,00, z=-105,50], po['Pig'/173, l='MpServer', x=-226,78, y=80,00, z=-162,50], re['Skeleton'/478617, l='MpServer', x=-157,50, y=36,00, z=-33,50], ph['Bat'/442188, l='MpServer', x=-115,82, y=38,79, z=-61,63], bbt['reptile311'/109, l='MpServer', x=-148,91, y=6,62, z=-96,55], re['Skeleton'/477404, l='MpServer', x=-141,50, y=58,00, z=-25,50], ri['Zombie'/315017, l='MpServer', x=-102,50, y=12,00, z=-136,00], rg['Spider'/315015, l='MpServer', x=-101,88, y=11,00, z=-139,91], ph['Bat'/501870, l='MpServer', x=-216,42, y=50,84, z=-87,84], po['Pig'/197, l='MpServer', x=-216,16, y=79,00, z=-159,47], po['Pig'/196, l='MpServer', x=-215,91, y=79,00, z=-162,16], qu['Enderman'/184389, l='MpServer', x=-155,56, y=22,00, z=-42,09], pp['Sheep'/220, l='MpServer', x=-205,88, y=75,00, z=-41,94], pp['Sheep'/221, l='MpServer', x=-211,50, y=92,00, z=-27,50], pp['Sheep'/222, l='MpServer', x=-208,53, y=84,00, z=-24,25], pj['Chicken'/212, l='MpServer', x=-217,44, y=106,00, z=-76,53], ph['Bat'/501879, l='MpServer', x=-150,05, y=19,44, z=-41,85], re['Skeleton'/384965, l='MpServer', x=-156,50, y=22,00, z=-42,50], pj['Chicken'/210, l='MpServer', x=-218,63, y=108,00, z=-72,63], ph['Bat'/501877, l='MpServer', x=-148,55, y=19,66, z=-46,60], pj['Chicken'/211, l='MpServer', x=-218,53, y=106,00, z=-79,47], pp['Sheep'/232, l='MpServer', x=-195,22, y=79,00, z=-24,50], pj['Chicken'/231, l='MpServer', x=-202,56, y=77,00, z=-28,41], pj['Chicken'/230, l='MpServer', x=-206,09, y=76,00, z=-25,34], pj['Chicken'/229, l='MpServer', x=-205,66, y=77,00, z=-27,41], ri['Zombie'/445916, l='MpServer', x=-128,50, y=35,00, z=-54,50], ri['Zombie'/204075, l='MpServer', x=-206,50, y=64,00, z=-113,50], rf['Slime'/250, l='MpServer', x=-117,38, y=73,00, z=-153,63], re['Skeleton'/358619, l='MpServer', x=-217,65, y=52,00, z=-106,48], qt['Creeper'/445915, l='MpServer', x=-121,50, y=35,00, z=-57,50], rf['Slime'/249, l='MpServer', x=-119,69, y=74,00, z=-174,31]]
Retry entities: 0 total; []
Stacktrace:
at bbq.a(SourceFile:281)
at net.minecraft.client.Minecraft.b(SourceFile:1865)
at net.minecraft.client.Minecraft.run(SourceFile:539)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 13w03a
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 296593800 bytes (282 MB) / 502988800 bytes (479 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 1918 (107408 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
LWJGL: 2.8.4
OpenGL: GeForce GT 540M/PCI/SSE2 GL version 4.1.0, NVIDIA Corporation
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: 1750 (98000 bytes; 0 MB) allocated, 16 (896 bytes; 0 MB) used