Hopper: bpo: Unable to fit: mushroom_red - size: 256x256 - Maybe try a lowerresolution texturepack?

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-448847/

Crash:

bpo: Unable to fit: mushroom_red - size: 256x256 - Maybe try a lowerresolution texturepack?
	at bpl.c(SourceFile:56)
	at bpp.b(SourceFile:203)
	at bpp.a(SourceFile:90)

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

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 23/10/13 16.58
Description: Registering texture

bpo: Unable to fit: glass_gray - size: 16x16 - Maybe try a lowerresolution texturepack?
	at bpl.c(SourceFile:56)
	at bpp.b(SourceFile:203)
	at bpp.a(SourceFile:90)
	at bpv.a(SourceFile:72)
	at bpv.a(SourceFile:61)
	at bpv.a(SourceFile:52)
	at azc.Z(SourceFile:455)
	at azc.e(SourceFile:689)
	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 bpl.c(SourceFile:56)
	at bpp.b(SourceFile:203)
	at bpp.a(SourceFile:90)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/atlas/blocks.png
	Texture object class: bpp
Stacktrace:
	at bpv.a(SourceFile:72)
	at bpv.a(SourceFile:61)
	at bpv.a(SourceFile:52)
	at azc.Z(SourceFile:455)

-- Initialization --
Details:
Stacktrace:
	at azc.e(SourceFile:689)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.1
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 40102416 bytes (38 MB) / 74035200 bytes (70 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: 1.7.1
	LWJGL: 2.9.0
	OpenGL: ATI Radeon Xpress 1150 GL version 2.1.8544 Release, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Italiano (Italia)
	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-448847/20820693/