Minecraft crashed when I was taking my map out of the workbench..

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Updating screen events

A full error report has been saved to C:\Users\Anders122\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-15_16.15.54-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash

— BEGIN ERROR REPORT 8b8ec43c --------
Full report at:
C:\Users\Anders122\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-15_16.15.54-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 15.11.12 16:15

– Head –
Stacktrace:
at uo.d(SourceFile:235)
at um.a(SourceFile:288)
at sp.b(SourceFile:41)
at sp.a(SourceFile:58)
at rp.a(SourceFile:170)
at ayg.a(SourceFile:284)
at auy.a(SourceFile:441)
at auy.a(SourceFile:351)
at aue.d(SourceFile:125)
at aue.m(SourceFile:110)

– Affected screen –
Details:
Screen name: avj

– Affected level –
Details:
Level name: MpServer
All players: 2 total; [ayk['Anders122'/37699, l='MpServer', x=269,53, y=64,62, z=315,21], azw['Minividle'/254, l='MpServer', x=263,76, y=63,00, z=321,08]]
Chunk stats: MultiplayerChunkCache: 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (80,64,-23), Chunk: (at 0,4,9 in 5,-2; contains blocks 80,0,-32 to 95,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 3417172 game time, 3469363 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: 179 total; [qc['Creeper'/39099, l='MpServer', x=246,50, y=14,00, z=250,50], mc['entity.ItemFrame.name'/34643, l='MpServer', x=261,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34642, l='MpServer', x=261,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34641, l='MpServer', x=263,50, y=69,50, z=344,94], ph['Squid'/38497, l='MpServer', x=212,91, y=58,39, z=310,31], mc['entity.ItemFrame.name'/34640, l='MpServer', x=263,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34647, l='MpServer', x=257,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34646, l='MpServer', x=259,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34645, l='MpServer', x=259,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34644, l='MpServer', x=261,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34651, l='MpServer', x=269,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34650, l='MpServer', x=257,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34649, l='MpServer', x=259,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34648, l='MpServer', x=257,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34626, l='MpServer', x=271,94, y=64,50, z=311,50], mc['entity.ItemFrame.name'/34627, l='MpServer', x=271,94, y=64,50, z=310,50], ow['Bat'/37436, l='MpServer', x=278,75, y=47,10, z=341,63], mc['entity.ItemFrame.name'/34630, l='MpServer', x=271,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34631, l='MpServer', x=269,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34628, l='MpServer', x=271,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34629, l='MpServer', x=271,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34634, l='MpServer', x=267,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34635, l='MpServer', x=267,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34632, l='MpServer', x=269,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34633, l='MpServer', x=267,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34638, l='MpServer', x=265,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34639, l='MpServer', x=263,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34636, l='MpServer', x=265,50, y=67,50, z=344,94], px['item.item.bone'/37742, l='MpServer', x=269,38, y=64,13, z=333,88], mc['entity.ItemFrame.name'/34637, l='MpServer', x=265,50, y=68,50, z=344,94], qc['Creeper'/38403, l='MpServer', x=205,50, y=26,00, z=369,50], mg['Painting'/349, l='MpServer', x=406,00, y=69,50, z=349,94], px['item.item.reeds'/39230, l='MpServer', x=269,47, y=63,13, z=322,03], mg['Painting'/348, l='MpServer', x=407,00, y=69,50, z=343,06], px['item.item.reeds'/39231, l='MpServer', x=268,48, y=63,91, z=322,57], px['item.item.rottenFlesh'/36976, l='MpServer', x=271,69, y=63,13, z=335,06], px['item.item.reeds'/39188, l='MpServer', x=270,88, y=63,13, z=320,22], px['item.item.reeds'/39187, l='MpServer', x=270,15, y=63,13, z=319,87], px['item.item.rottenFlesh'/38399, l='MpServer', x=270,59, y=63,63, z=334,63], px['item.item.reeds'/39232, l='MpServer', x=269,63, y=63,13, z=320,97], px['item.item.reeds'/39233, l='MpServer', x=269,91, y=63,13, z=320,28], mc['entity.ItemFrame.name'/34800, l='MpServer', x=250,06, y=69,50, z=343,50], mc['entity.ItemFrame.name'/34801, l='MpServer', x=253,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34802, l='MpServer', x=251,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34803, l='MpServer', x=251,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34804, l='MpServer', x=250,06, y=67,50, z=341,50], px['item.item.rottenFlesh'/37783, l='MpServer', x=269,13, y=64,13, z=333,88], mc['entity.ItemFrame.name'/34793, l='MpServer', x=250,06, y=69,50, z=341,50], px['item.item.bone'/37741, l='MpServer', x=269,25, y=64,13, z=333,13], mc['entity.ItemFrame.name'/34792, l='MpServer', x=250,06, y=68,50, z=341,50], px['item.item.arrow'/37740, l='MpServer', x=271,41, y=63,13, z=335,66], mc['entity.ItemFrame.name'/34795, l='MpServer', x=250,06, y=68,50, z=339,50], mc['entity.ItemFrame.name'/34794, l='MpServer', x=250,06, y=67,50, z=339,50], mc['entity.ItemFrame.name'/34797, l='MpServer', x=250,06, y=67,50, z=337,50], mc['entity.ItemFrame.name'/34796, l='MpServer', x=250,06, y=69,50, z=339,50], mc['entity.ItemFrame.name'/34799, l='MpServer', x=250,06, y=69,50, z=337,50], mc['entity.ItemFrame.name'/34798, l='MpServer', x=250,06, y=68,50, z=337,50], mc['entity.ItemFrame.name'/34785, l='MpServer', x=255,50, y=68,50, z=344,94], mc['entity.ItemFrame.name'/34784, l='MpServer', x=255,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34787, l='MpServer', x=253,50, y=67,50, z=344,94], mc['entity.ItemFrame.name'/34786, l='MpServer', x=255,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34789, l='MpServer', x=251,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34788, l='MpServer', x=253,50, y=69,50, z=344,94], mc['entity.ItemFrame.name'/34791, l='MpServer', x=250,06, y=68,50, z=343,50], mc['entity.ItemFrame.name'/34790, l='MpServer', x=250,06, y=67,50, z=343,50], mc['entity.ItemFrame.name'/34782, l='MpServer', x=250,06, y=67,50, z=335,50], mc['entity.ItemFrame.name'/34783, l='MpServer', x=250,06, y=68,50, z=335,50], rm['entity.WitherSkull.name'/34781, l='MpServer', x=255,16, y=63,08, z=280,56], ph['Squid'/37013, l='MpServer', x=271,53, y=45,00, z=295,14], qo['Slime'/39513, l='MpServer', x=344,31, y=39,00, z=366,69], qn['Skeleton'/39514, l='MpServer', x=346,50, y=36,00, z=361,50], qn['Skeleton'/39515, l='MpServer', x=347,50, y=36,00, z=360,50], qp['Spider'/39032, l='MpServer', x=217,50, y=32,00, z=355,50], qc['Creeper'/39023, l='MpServer', x=223,50, y=23,00, z=238,50], qn['Skeleton'/38075, l='MpServer', x=269,31, y=64,00, z=333,31], qn['Skeleton'/38077, l='MpServer', x=274,56, y=89,00, z=321,98], qn['Skeleton'/38076, l='MpServer', x=268,81, y=87,41, z=333,99], px['item.item.rottenFlesh'/37816, l='MpServer', x=270,47, y=63,13, z=335,69], qn['Skeleton'/39013, l='MpServer', x=339,50, y=37,00, z=304,84], px['item.item.arrow'/37738, l='MpServer', x=270,32, y=63,13, z=336,95], qc['Creeper'/39960, l='MpServer', x=264,33, y=11,00, z=345,22], px['item.item.bone'/37739, l='MpServer', x=270,13, y=63,63, z=334,13], qc['Creeper'/39540, l='MpServer', x=277,70, y=46,00, z=339,70], azw['Minividle'/254, l='MpServer', x=263,76, y=63,00, z=321,08], px['item.tile.workbench'/38730, l='MpServer', x=271,52, y=67,13, z=341,08], qp['Spider'/38738, l='MpServer', x=225,34, y=24,00, z=240,22], mg['Painting'/349, l='MpServer', x=406,00, y=69,50, z=349,94], px['item.item.reeds'/39234, l='MpServer', x=266,18, y=63,13, z=322,35], qn['Skeleton'/39343, l='MpServer', x=327,56, y=39,00, z=319,02], px['item.item.reeds'/39235, l='MpServer', x=267,88, y=63,13, z=320,78], qn['Skeleton'/38773, l='MpServer', x=300,50, y=32,00, z=297,50], mg['Painting'/315, l='MpServer', x=367,06, y=68,00, z=348,00], mg['Painting'/315, l='MpServer', x=367,06, y=68,00, z=348,00], qc['Creeper'/37676, l='MpServer', x=280,00, y=46,00, z=334,41], qr['Zombie'/37675, l='MpServer', x=270,94, y=47,00, z=344,50], ow['Bat'/39869, l='MpServer', x=337,29, y=39,42, z=358,69], ow['Bat'/39871, l='MpServer', x=327,45, y=36,54, z=361,77], ow['Bat'/39870, l='MpServer', x=344,68, y=39,96, z=364,43], qp['Spider'/39874, l='MpServer', x=246,50, y=16,00, z=283,50], qr['Zombie'/39397, l='MpServer', x=277,50, y=29,00, z=343,50], ow['Bat'/39873, l='MpServer', x=329,94, y=37,42, z=356,71], mg['Painting'/340, l='MpServer', x=394,00, y=69,50, z=346,06], mg['Painting'/339, l='MpServer', x=395,50, y=71,00, z=346,06], mg['Painting'/338, l='MpServer', x=394,00, y=71,00, z=346,06], mg['Painting'/337, l='MpServer', x=392,50, y=71,00, z=346,06], qp['Spider'/39395, l='MpServer', x=273,50, y=29,00, z=344,50], mg['Painting'/349, l='MpServer', x=406,00, y=69,50, z=349,94], mg['Painting'/348, l='MpServer', x=407,00, y=69,50, z=343,06], qo['Slime'/30783, l='MpServer', x=347,38, y=39,00, z=355,63], qp['Spider'/39887, l='MpServer', x=278,34, y=95,00, z=335,66], qp['Spider'/39884, l='MpServer', x=270,94, y=95,50, z=342,50], qp['Spider'/39885, l='MpServer', x=281,25, y=95,12, z=336,41], mg['Painting'/326, l='MpServer', x=380,50, y=66,50, z=351,94], mg['Painting'/327, l='MpServer', x=379,50, y=66,50, z=351,94], qn['Skeleton'/37706, l='MpServer', x=269,31, y=64,00, z=333,31], mg['Painting'/324, l='MpServer', x=381,50, y=66,00, z=351,94], qn['Skeleton'/37705, l='MpServer', x=269,49, y=87,12, z=334,95], mg['Painting'/325, l='MpServer', x=380,00, y=65,50, z=351,94], qn['Skeleton'/37704, l='MpServer', x=269,69, y=64,00, z=333,69], mg['Painting'/322, l='MpServer', x=378,06, y=65,50, z=348,00], mg['Painting'/323, l='MpServer', x=374,06, y=65,00, z=351,00], mc['entity.ItemFrame.name'/320, l='MpServer', x=382,50, y=65,50, z=345,06], qn['Skeleton'/39908, l='MpServer', x=286,50, y=28,00, z=344,50], qn['Skeleton'/39909, l='MpServer', x=286,50, y=28,00, z=343,50], qc['Creeper'/37757, l='MpServer', x=269,31, y=64,00, z=333,69], px['item.item.bone'/37739, l='MpServer', x=270,13, y=63,63, z=334,13], px['item.item.arrow'/37738, l='MpServer', x=270,32, y=63,13, z=336,95], px['item.item.arrow'/37740, l='MpServer', x=271,41, y=63,13, z=335,66], qr['Zombie'/39376, l='MpServer', x=273,50, y=22,00, z=265,50], qp['Spider'/36002, l='MpServer', x=270,22, y=93,46, z=321,72], px['item.item.reeds'/39229, l='MpServer', x=270,06, y=62,13, z=321,87], qc['Creeper'/39931, l='MpServer', x=322,50, y=56,00, z=327,50], qn['Skeleton'/39388, l='MpServer', x=225,50, y=24,00, z=238,50], qc['Creeper'/39933, l='MpServer', x=322,50, y=56,00, z=324,50], qc['Creeper'/39932, l='MpServer', x=319,99, y=56,00, z=321,41], qn['Skeleton'/39385, l='MpServer', x=222,50, y=16,00, z=343,50], px['item.item.reeds'/39228, l='MpServer', x=269,70, y=63,40, z=322,19], px['item.item.rottenFlesh'/38399, l='MpServer', x=270,59, y=63,63, z=334,63], px['item.item.sulphur'/37776, l='MpServer', x=271,88, y=62,13, z=334,88], px['item.item.rottenFlesh'/37784, l='MpServer', x=271,06, y=63,63, z=334,13], mg['Painting'/340, l='MpServer', x=394,00, y=69,50, z=346,06], mg['Painting'/339, l='MpServer', x=395,50, y=71,00, z=346,06], mg['Painting'/338, l='MpServer', x=394,00, y=71,00, z=346,06], mg['Painting'/337, l='MpServer', x=392,50, y=71,00, z=346,06], qn['Skeleton'/37762, l='MpServer', x=268,78, y=87,23, z=332,98], qn['Skeleton'/37760, l='MpServer', x=269,69, y=64,00, z=333,69], qn['Skeleton'/37761, l='MpServer', x=269,69, y=64,00, z=333,69], px['item.item.reeds'/39185, l='MpServer', x=270,41, y=64,80, z=322,55], px['item.item.reeds'/39186, l='MpServer', x=271,19, y=63,13, z=322,19], qr['Zombie'/39218, l='MpServer', x=216,50, y=33,00, z=364,50], px['item.item.sulphur'/37776, l='MpServer', x=271,88, y=62,13, z=334,88], px['item.item.rottenFlesh'/37698, l='MpServer', x=269,16, y=87,13, z=332,79], qn['Skeleton'/38899, l='MpServer', x=260,50, y=95,00, z=330,50], px['item.item.rottenFlesh'/37817, l='MpServer', x=271,88, y=62,13, z=334,63], qn['Skeleton'/38901, l='MpServer', x=269,69, y=64,00, z=333,31], px['item.item.rottenFlesh'/37816, l='MpServer', x=270,47, y=63,13, z=335,69], qd['Enderman'/38903, l='MpServer', x=258,83, y=95,00, z=324,21], qr['Zombie'/39733, l='MpServer', x=238,50, y=22,00, z=320,50], qr['Zombie'/39734, l='MpServer', x=242,50, y=22,00, z=321,50], ayk['Anders122'/37699, l='MpServer', x=269,53, y=64,62, z=315,21], qn['Skeleton'/39184, l='MpServer', x=261,50, y=18,00, z=287,50], px['item.item.rottenFlesh'/36976, l='MpServer', x=271,69, y=63,13, z=335,06], qc['Creeper'/39728, l='MpServer', x=224,50, y=17,00, z=268,50], azw['Minividle'/254, l='MpServer', x=263,76, y=63,00, z=321,08], px['item.item.reeds'/39236, l='MpServer', x=268,75, y=63,13, z=319,93], px['item.item.reeds'/39237, l='MpServer', x=270,63, y=63,13, z=320,25], qc['Creeper'/39292, l='MpServer', x=290,50, y=21,00, z=254,50], mg['Painting'/323, l='MpServer', x=374,06, y=65,00, z=351,00], mg['Painting'/325, l='MpServer', x=380,00, y=65,50, z=351,94], mg['Painting'/322, l='MpServer', x=378,06, y=65,50, z=348,00], qc['Creeper'/39291, l='MpServer', x=289,50, y=21,00, z=255,50], mg['Painting'/348, l='MpServer', x=407,00, y=69,50, z=343,06], qn['Skeleton'/39788, l='MpServer', x=319,50, y=35,00, z=367,50], ow['Bat'/39239, l='MpServer', x=235,46, y=15,00, z=341,32], mg['Painting'/326, l='MpServer', x=380,50, y=66,50, z=351,94], mg['Painting'/324, l='MpServer', x=381,50, y=66,00, z=351,94], mg['Painting'/327, l='MpServer', x=379,50, y=66,50, z=351,94], px['item.item.rottenFlesh'/37784, l='MpServer', x=271,06, y=63,63, z=334,13], px['item.item.rottenFlesh'/37817, l='MpServer', x=271,88, y=62,13, z=334,63]]
Retry entities: 0 total; []
Stacktrace:
at ayh.a(SourceFile:290)
at net.minecraft.client.Minecraft.b(SourceFile:1870)
at net.minecraft.client.Minecraft.run(SourceFile:543)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 1.4.4
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: 991715488 bytes (945 MB) / 1543503872 bytes (1472 MB) up to 2863333376 bytes (2730 MB)
JVM Flags: 2 total; -Xmx3072m -Xms1536m
AABB Pool Size: 4889 (273784 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
Suspicious classes: IWrUpdater, Config, VersionCheckThread, ...]
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
LWJGL: 2.4.2
OpenGL: ATI Mobility Radeon HD 4300 Series GL version 2.1.8787, 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: 1555 (87080 bytes; 0 MB) allocated, 18 (1008 bytes; 0 MB) used

java.lang.NullPointerException
at uo.d(SourceFile:235)
at um.a(SourceFile:288)
at sp.b(SourceFile:41)
at sp.a(SourceFile:58)
at rp.a(SourceFile:170)
at ayg.a(SourceFile:284)
at auy.a(SourceFile:441)
at auy.a(SourceFile:351)
at aue.d(SourceFile:125)
at aue.m(SourceFile:110)
at net.minecraft.client.Minecraft.l(SourceFile:1085)
at net.minecraft.client.Minecraft.J(SourceFile:582)
at net.minecraft.client.Minecraft.run(SourceFile:534)
at java.lang.Thread.run(Unknown Source)
— END ERROR REPORT 4732fed2 ----------