Hopper: java.lang.ArrayIndexOutOfBoundsException: -15

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-35190/

Crash:

java.lang.ArrayIndexOutOfBoundsException: -15
	at b.a(SourceFile:330)
	at b.a(SourceFile:317)
	at bib.a(SourceFile:77)
	at bib.a(SourceFile:37)
	at auz.b(SourceFile:178)
	at auz.a(SourceFile:188)
	at auz.a(SourceFile:142)
	at auz.a(SourceFile:386)
	at auz.b(SourceFile:465)
	at auz.a(SourceFile:234)
	at auz.a(SourceFile:218)
	at avb.a(SourceFile:96)
	at bli.a(SourceFile:479)

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

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 2013-08-16 22:48
Description: Rendering screen

java.lang.ArrayIndexOutOfBoundsException: -15
	at b.a(SourceFile:330)
	at b.a(SourceFile:317)
	at bib.a(SourceFile:77)
	at bib.a(SourceFile:37)
	at auz.b(SourceFile:178)
	at auz.a(SourceFile:188)
	at auz.a(SourceFile:142)
	at auz.a(SourceFile:386)
	at auz.b(SourceFile:465)
	at auz.a(SourceFile:234)
	at auz.a(SourceFile:218)
	at avb.a(SourceFile:96)
	at bli.a(SourceFile:479)
	at bet.b(SourceFile:718)
	at atn.S(SourceFile:685)
	at atn.d(SourceFile:618)
	at net.minecraft.client.main.Main.main(SourceFile:101)


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

-- Head --
Stacktrace:
	at b.a(SourceFile:330)
	at b.a(SourceFile:317)
	at bib.a(SourceFile:77)
	at bib.a(SourceFile:37)
	at auz.b(SourceFile:178)
	at auz.a(SourceFile:188)
	at auz.a(SourceFile:142)
	at auz.a(SourceFile:386)
	at auz.b(SourceFile:465)
	at auz.a(SourceFile:234)
	at auz.a(SourceFile:218)
	at avb.a(SourceFile:96)
	at bli.a(SourceFile:479)

-- Screen render details --
Details:
	Screen name: bli
	Mouse location: Scaled: (300, 216). Absolute: (601, 273)
	Screen size: Scaled: (683, 353). Absolute: (1366, 706). Scale factor of 2
Stacktrace:
	at bet.b(SourceFile:718)
	at atn.S(SourceFile:685)
	at atn.d(SourceFile:618)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.1
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 7808896 bytes (7 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: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.6.1
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics Family GL version 3.1.0 - Build 8.15.10.2462, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-35190/3417337/