Hopper: java.lang.NullPointerException: Registering texture

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-313996/

Crash:

java.lang.NullPointerException: Registering texture
	at bpj.a(SourceFile:203)
	at bov.a(SourceFile:48)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 11/10/13 18:36
Description: Registering texture

java.lang.NullPointerException: Registering texture
	at bpj.a(SourceFile:203)
	at bov.a(SourceFile:48)
	at bpg.a(SourceFile:72)
	at bpg.a(SourceFile:40)
	at ayp.aa(SourceFile:555)
	at ayp.X(SourceFile:402)
	at ayp.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:203)
	at bov.a(SourceFile:48)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/gui/title/mojang.png
	Texture object class: bov
Stacktrace:
	at bpg.a(SourceFile:72)
	at bpg.a(SourceFile:40)
	at ayp.aa(SourceFile:555)
	at ayp.X(SourceFile:402)

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

-- System Details --
Details:
	Minecraft Version: 13w41b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 3778728 bytes (3 MB) / 26808320 bytes (25 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	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: 13w41b
	LWJGL: 2.9.0
	OpenGL: Intel(R) G45/G43 Express Chipset GL version 2.1.0 - Build 8.15.10.2226, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Português (BR)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-313996/16944078/