Crash on launch

Minecraft Crash Report ----
// Everything's going to plan. No, really, that was supposed to happen.

Time: 10/10/13 4:22 PM
Description: Registering texture

java.lang.NullPointerException
at bpj.a(SourceFile:72)
at bpf.d(SourceFile:238)
at bpe.b(SourceFile:163)
at bpe.a(SourceFile:89)
at bpg.a(SourceFile:72)
at bpg.a(SourceFile:61)
at bpg.a(SourceFile:52)
at ays.X(SourceFile:457)
at ays.e(SourceFile:691)
at net.minecraft.client.main.Main.main(SourceFile:103)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

– Head –
Stacktrace:
at bpj.a(SourceFile:72)
at bpf.d(SourceFile:238)
at bpe.b(SourceFile:163)
at bpe.a(SourceFile:89)

– Resource location being registered –
Details:
Resource location: minecraft:textures/atlas/blocks.png
Texture object class: bpe
Stacktrace:
at bpg.a(SourceFile:72)
at bpg.a(SourceFile:61)
at bpg.a(SourceFile:52)
at ays.X(SourceFile:457)

– Initialization –
Details:
Stacktrace:
at ays.e(SourceFile:691)
at net.minecraft.client.main.Main.main(SourceFile:103)

– System Details –
Details:
Minecraft Version: 13w41a
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 163972624 bytes (156 MB) / 228589568 bytes (218 MB) up to 954466304 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 13w41a
LWJGL: 2.9.0
OpenGL: GeForce GTX 650/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: [Warrensv1.9.1-32x-converted-1372351407549.zip]
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null