Last time i played, i would place a sign... Than, it crashs 
so okay. new start, it must be run than...
NO!
Every f***ing time a new crash report...
Heres the report:
I hope you can help me, cause i wouldnt start a new world again and again -.-
Minecraft has crashed!
----------------------
Minecraft has stopped running because it encountered a problem; Unexpected error
A full error report has been saved to C:\Users\Patrick\AppData\Roaming\.minecraft\crash-reports\crash-2013-02-05_20.10.38-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 f0b1b1da --------
Full report at:
C:\Users\Patrick\AppData\Roaming\.minecraft\crash-reports\crash-2013-02-05_20.10.38-client.txt
Please show that file to Mojang, NOT just this screen!
Generated 05.02.13 20:10
-- Head --
Stacktrace:
at bbf.a(SourceFile:30)
at bav.a(RenderGlobal.java:509)
at ban.a(EntityRenderer.java:1210)
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ays['popcorn416'/203, l='MpServer', x=48,91, y=61,62, z=-136,70]]
Chunk stats: MultiplayerChunkCache: 90
Level seed: 0
Level generator: ID 02 - largeBiomes, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (112,64,-152), Chunk: (at 0,4,8 in 7,-10; contains blocks 112,0,-160 to 127,255,-145), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 411769 game time, 411769 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: 22 total; [pd['Pig'/68, l='MpServer', x=125,50, y=72,00, z=-127,22], ow['Bat'/34, l='MpServer', x=73,33, y=14,39, z=-138,86], pd['Pig'/69, l='MpServer', x=117,66, y=70,00, z=-125,53], ays['popcorn416'/203, l='MpServer', x=48,91, y=61,62, z=-136,70], pd['Pig'/32, l='MpServer', x=77,69, y=70,00, z=-184,50], pd['Pig'/33, l='MpServer', x=71,75, y=66,00, z=-190,47], pd['Pig'/67, l='MpServer', x=115,69, y=71,00, z=-160,50], pd['Pig'/42, l='MpServer', x=89,50, y=69,00, z=-204,31], pd['Pig'/41, l='MpServer', x=95,84, y=68,00, z=-197,84], ow['Bat'/14, l='MpServer', x=4,02, y=21,71, z=-166,10], px['item.item.dyePowder.black'/15, l='MpServer', x=-2,22, y=58,13, z=-152,78], pd['Pig'/51, l='MpServer', x=98,09, y=68,00, z=-204,97], ow['Bat'/17, l='MpServer', x=7,25, y=21,10, z=-167,25], px['item.item.dyePowder.black'/19, l='MpServer', x=3,97, y=53,13, z=-129,78], ow['Bat'/18, l='MpServer', x=9,04, y=19,19, z=-174,24], ow['Bat'/21, l='MpServer', x=12,57, y=15,16, z=-179,50], ow['Bat'/20, l='MpServer', x=31,32, y=13,82, z=-198,74], pd['Pig'/54, l='MpServer', x=109,13, y=76,00, z=-167,66], ow['Bat'/23, l='MpServer', x=23,63, y=27,35, z=-145,25], pd['Pig'/53, l='MpServer', x=104,97, y=75,00, z=-165,94], pd['Pig'/52, l='MpServer', x=97,09, y=70,00, z=-188,03], ow['Bat'/22, l='MpServer', x=28,29, y=44,25, z=-161,25]]
Retry entities: 0 total; []
Stacktrace:
at ayp.a(WorldClient.java:439)
at net.minecraft.client.Minecraft.b(Minecraft.java:2401)
at net.minecraft.client.Minecraft.run(Minecraft.java:794)
at java.lang.Thread.run(Unknown Source)
-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.7.0_09, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 389597520 bytes (371 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 20631 (1155336 bytes; 1 MB) allocated, 2634 (147504 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 71
FML: MCP v7.26a FML v4.7.31.552 Minecraft Forge 6.6.1.521 5 mods loaded, 5 mods active
mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
IC2 [IndustrialCraft 2] (industrialcraft-2_1.115.207-lf.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mod_InvTweaks [Inventory Tweaks] (InvTweaks-1.50-1.4.7.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LWJGL: 2.4.2
OpenGL: GeForce 9600 GT/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
Is Modded: Definitely; Client brand changed to 'forge,fml'
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 686 (38416 bytes; 0 MB) allocated, 686 (38416 bytes; 0 MB) used
java.lang.NullPointerException
at bbf.a(SourceFile:30)
at bav.a(RenderGlobal.java:509)
at ban.a(EntityRenderer.java:1210)
at ban.b(EntityRenderer.java:974)
at net.minecraft.client.Minecraft.J(Minecraft.java:882)
at net.minecraft.client.Minecraft.run(Minecraft.java:771)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT 15ac7529 ----------
