Hopper: java.lang.ArrayIndexOutOfBoundsException: 2

java.lang.ArrayIndexOutOfBoundsException: 2
	at nj.a(SourceFile:33)
	at wu.d(SourceFile:70)
	at vo.a(SourceFile:64)
	at vo.a(SourceFile:53)
	at kg.a(SourceFile:552)
	at sh.g(SourceFile:712)
	at kl.a(SourceFile:528)
	at fl.a(SourceFile:49)
	at cv.b(SourceFile:64)
	at kl.e(SourceFile:63)

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 9/6/13 10:35 PM
Description: Ticking memory connection

java.lang.ArrayIndexOutOfBoundsException: 2
	at nj.a(SourceFile:33)
	at wu.d(SourceFile:70)
	at vo.a(SourceFile:64)
	at vo.a(SourceFile:53)
	at kg.a(SourceFile:552)
	at sh.g(SourceFile:712)
	at kl.a(SourceFile:528)
	at fl.a(SourceFile:49)
	at cv.b(SourceFile:64)
	at kl.e(SourceFile:63)
	at ko.b(SourceFile:37)
	at bnq.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:481)
	at net.minecraft.server.MinecraftServer.s(SourceFile:398)
	at bnn.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:332)
	at hr.run(SourceFile:575)


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

-- Head --
Stacktrace:
	at nj.a(SourceFile:33)
	at wu.d(SourceFile:70)
	at vo.a(SourceFile:64)
	at vo.a(SourceFile:53)
	at kg.a(SourceFile:552)
	at sh.g(SourceFile:712)
	at kl.a(SourceFile:528)
	at fl.a(SourceFile:49)
	at cv.b(SourceFile:64)
	at kl.e(SourceFile:63)

-- Ticking connection --
Details:
	Connection: kl@3eee7317
Stacktrace:
	at ko.b(SourceFile:37)
	at bnq.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.t(SourceFile:481)
	at net.minecraft.server.MinecraftServer.s(SourceFile:398)
	at bnn.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:332)
	at hr.run(SourceFile:575)

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 149635640 bytes (142 MB) / 494010368 bytes (471 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 1402 (78512 bytes; 0 MB) allocated, 1179 (66024 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 151 (8456 bytes; 0 MB) allocated, 119 (6664 bytes; 0 MB) used
	Player Count: 1 / 8; [kg['Steve_Notchson'/98, l='1.7', x=-202.77, y=4.70, z=-452.30]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.