Texture Pack Crash HELP!!!

Hi! i was just playing minecraft using dokucraft,then i decided to change to wolfcraft,but then it crashed my minecraft and won't open again! i have mods installed but they NEVER crash my minecraft! Whats making it crash? Wel heres the report!

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

Minecraft has stopped running because it encountered a problem; Unexpected error

A full error report has been saved to C:\Users\jamie\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-18_18.58.04-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 302e4eab --------
Full report at:
C:\Users\jamie\AppData\Roaming\.minecraft\crash-reports\crash-2012-11-18_18.58.04-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 18/11/12 18:58

-- System Details --
Details:
Minecraft Version: 1.4.4
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_07, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 375993320 bytes (358 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -Xms512m -Xmx1024m
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: GuiMobSpawner, IWrUpdater, Config, ...[reifnsk.minimap.ReiMinimap, WaypointEntity, MinimapException, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
ModLoader: Mods loaded: 5
ModLoader 1.4.2
mod_ReiMinimap v3.2_05 [1.4.4]
mod_TooManyItems 1.4.4 2012-11-14
mod_SpawnerGUI 1.4.2
mod_Stackables 1.4.2

LWJGL: 2.4.2
OpenGL: AMD M880G with ATI Mobility Radeon HD 4250 GL version 3.3.10179 Compatibility Profile Context, ATI Technologies Inc.
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: WolfCraft 4.1 Vanilla.zip
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

java.lang.IndexOutOfBoundsException
at java.nio.Buffer.checkBounds(Unknown Source)
at java.nio.DirectByteBuffer.put(Unknown Source)
at CustomAnimation.updateCustomTexture(CustomAnimation.java:148)
at bap.updateCustomTexture(RenderEngine.java:1357)
at bap.updateCustomTexture(RenderEngine.java:1252)
at bap.a(RenderEngine.java:811)
at net.minecraft.client.Minecraft.l(SourceFile:1067)
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 3d67ac90 ----------