Hopper: java.lang.ArrayIndexOutOfBoundsException: -8

java.lang.ArrayIndexOutOfBoundsException: -8
	at b.a(SourceFile:263)
	at b.a(SourceFile:250)
	at bpx.a(SourceFile:80)
	at bpx.a(SourceFile:136)
	at bqx.c(SourceFile:104)
	at bqx.a(SourceFile:92)
	at azd.b(SourceFile:488)
	at azd.ad(SourceFile:747)
	at azd.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:103)

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

Time: 10/25/13 12:28 PM
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: -8
	at b.a(SourceFile:263)
	at b.a(SourceFile:250)
	at bpx.a(SourceFile:80)
	at bpx.a(SourceFile:136)
	at bqx.c(SourceFile:104)
	at bqx.a(SourceFile:92)
	at azd.b(SourceFile:488)
	at azd.ad(SourceFile:747)
	at azd.e(SourceFile:704)
	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:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 2503784 bytes (2 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 1472 (82432 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 1, tcache: 1, allocated: 12, tallocated: 94
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.2302, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
	Anisotropic Filtering: On (2)