Hopper: java.lang.IndexOutOfBoundsException: Index: 6, Size: 3

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-83859/

Crash:

java.lang.IndexOutOfBoundsException: Index: 6, Size: 3
	at java.util.ArrayList.RangeCheck(ArrayList.java:547)
	at java.util.ArrayList.get(ArrayList.java:322)
	at bau.a(SourceFile:102)
	at azw.a(SourceFile:80)
	at bau.a(SourceFile:116)

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

---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 9/6/13 9:38 AM
Description: Rendering screen

java.lang.IndexOutOfBoundsException: Index: 6, Size: 3
	at java.util.ArrayList.RangeCheck(ArrayList.java:547)
	at java.util.ArrayList.get(ArrayList.java:322)
	at bau.a(SourceFile:102)
	at azw.a(SourceFile:80)
	at bau.a(SourceFile:116)
	at bho.b(SourceFile:720)
	at awb.V(SourceFile:713)
	at awb.e(SourceFile:642)
	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 java.util.ArrayList.RangeCheck(ArrayList.java:547)
	at java.util.ArrayList.get(ArrayList.java:322)
	at bau.a(SourceFile:102)
	at azw.a(SourceFile:80)
	at bau.a(SourceFile:116)

-- Screen render details --
Details:
	Screen name: bau
	Mouse location: Scaled: (276, 69). Absolute: (553, 340)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfn['urvogel'/650, l='MpServer', x=164.58, y=75.62, z=5.69]]
	Chunk stats: MultiplayerChunkCache: 318, 318
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 53201488 game time, 53227808 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 67 total; [sr['Squid'/401975, l='MpServer', x=146.50, y=61.00, z=66.50], sr['Squid'/401973, l='MpServer', x=146.50, y=61.38, z=71.34], pa['Painting'/102, l='MpServer', x=165.06, y=80.50, z=-71.00], pa['Painting'/103, l='MpServer', x=165.06, y=81.00, z=-67.00], pa['Painting'/101, l='MpServer', x=165.06, y=81.00, z=-78.00], us['Villager'/110, l='MpServer', x=182.59, y=74.00, z=4.34], us['Villager'/111, l='MpServer', x=163.94, y=74.00, z=6.56], os['entity.ItemFrame.name'/108, l='MpServer', x=165.50, y=75.50, z=11.94], us['Villager'/109, l='MpServer', x=166.73, y=78.00, z=-2.48], tl['entity.MinecartChest.name'/106, l='MpServer', x=160.72, y=101.50, z=-72.50], so['Sheep'/107, l='MpServer', x=174.09, y=69.00, z=-63.41], pa['Painting'/104, l='MpServer', x=165.06, y=80.50, z=-74.00], tn['entity.MinecartFurnace.name'/105, l='MpServer', x=163.38, y=101.50, z=-72.50], ss['Iron Golem'/117, l='MpServer', x=167.09, y=78.00, z=20.59], us['Villager'/116, l='MpServer', x=181.50, y=78.00, z=3.94], us['Villager'/115, l='MpServer', x=181.53, y=75.06, z=5.61], us['Villager'/114, l='MpServer', x=168.50, y=74.00, z=27.50], us['Villager'/113, l='MpServer', x=182.25, y=78.00, z=7.69], us['Villager'/112, l='MpServer', x=168.50, y=74.00, z=26.25], sd['Bat'/398791, l='MpServer', x=146.50, y=21.89, z=29.22], sd['Bat'/398793, l='MpServer', x=160.53, y=25.98, z=33.63], sd['Bat'/403422, l='MpServer', x=195.50, y=31.00, z=54.50], sd['Bat'/403420, l='MpServer', x=185.50, y=31.00, z=44.50], sd['Bat'/391568, l='MpServer', x=201.16, y=57.36, z=11.48], sd['Bat'/391580, l='MpServer', x=210.58, y=47.00, z=-67.70], pa['Painting'/102, l='MpServer', x=165.06, y=80.50, z=-71.00], pa['Painting'/101, l='MpServer', x=165.06, y=81.00, z=-78.00], pa['Painting'/103, l='MpServer', x=165.06, y=81.00, z=-67.00], sd['Bat'/403425, l='MpServer', x=163.50, y=53.00, z=36.50], sd['Bat'/403426, l='MpServer', x=161.50, y=53.00, z=35.50], pa['Painting'/104, l='MpServer', x=165.06, y=80.50, z=-74.00], os['entity.ItemFrame.name'/517, l='MpServer', x=184.94, y=70.50, z=-79.50], os['entity.ItemFrame.name'/518, l='MpServer', x=183.50, y=80.50, z=-65.06], os['entity.ItemFrame.name'/519, l='MpServer', x=185.94, y=80.50, z=-67.50], os['entity.ItemFrame.name'/512, l='MpServer', x=184.94, y=69.50, z=-80.50], os['entity.ItemFrame.name'/513, l='MpServer', x=184.94, y=70.50, z=-80.50], os['entity.ItemFrame.name'/514, l='MpServer', x=184.94, y=71.50, z=-80.50], os['entity.ItemFrame.name'/515, l='MpServer', x=184.94, y=70.50, z=-81.50], so['Sheep'/524, l='MpServer', x=183.88, y=69.00, z=-63.16], os['entity.ItemFrame.name'/525, l='MpServer', x=181.06, y=75.50, z=7.50], os['entity.ItemFrame.name'/526, l='MpServer', x=182.50, y=75.50, z=7.94], os['entity.ItemFrame.name'/527, l='MpServer', x=181.06, y=75.50, z=6.50], os['entity.ItemFrame.name'/520, l='MpServer', x=181.50, y=80.50, z=-65.06], so['Sheep'/521, l='MpServer', x=178.09, y=69.00, z=-61.56], so['Sheep'/522, l='MpServer', x=180.91, y=69.00, z=-63.53], so['Sheep'/523, l='MpServer', x=174.09, y=69.00, z=-61.09], ss['Iron Golem'/532, l='MpServer', x=168.04, y=73.00, z=2.93], us['Villager'/529, l='MpServer', x=166.66, y=74.00, z=7.09], us['Villager'/528, l='MpServer', x=165.25, y=74.00, z=27.28], us['Villager'/531, l='MpServer', x=165.50, y=74.00, z=7.31], us['Villager'/530, l='MpServer', x=163.58, y=74.00, z=-2.38], sd['Bat'/398080, l='MpServer', x=149.73, y=26.00, z=51.64], bfn['urvogel'/650, l='MpServer', x=164.58, y=75.62, z=5.69], so['Sheep'/663, l='MpServer', x=243.44, y=74.00, z=0.34], sd['Bat'/398215, l='MpServer', x=157.78, y=47.14, z=25.69], sd['Bat'/402771, l='MpServer', x=166.50, y=22.00, z=-35.53], sd['Bat'/402748, l='MpServer', x=163.69, y=27.00, z=53.91], sd['Bat'/392053, l='MpServer', x=179.47, y=11.07, z=-37.13], ot['entity.LeashKnot.name'/254557, l='MpServer', x=207.50, y=73.50, z=-114.50], sd['Bat'/400916, l='MpServer', x=237.94, y=36.00, z=-44.50], sr['Squid'/401005, l='MpServer', x=133.44, y=59.00, z=68.50], sr['Squid'/401004, l='MpServer', x=133.53, y=59.34, z=65.19], sd['Bat'/393100, l='MpServer', x=206.61, y=53.00, z=-37.25], sd['Bat'/392130, l='MpServer', x=176.68, y=61.17, z=-10.05], sr['Squid'/401003, l='MpServer', x=141.03, y=59.09, z=65.25], sd['Bat'/393099, l='MpServer', x=205.49, y=53.84, z=-34.09], sr['Squid'/401002, l='MpServer', x=141.22, y=60.25, z=68.84]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bfi.a(SourceFile:285)
	at awb.b(SourceFile:1813)
	at awb.e(SourceFile:651)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Mac OS X (x86_64) version 10.5.8
	Java Version: 1.6.0_26, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 176940488 bytes (168 MB) / 314613760 bytes (300 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 57629 (3227224 bytes; 3 MB) allocated, 844 (47264 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 13w36b
	LWJGL: 2.9.1
	OpenGL: Intel GMA X3100 OpenGL Engine GL version 1.2 APPLE-1.5.48, Intel Inc.
	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: 1695 (94920 bytes; 0 MB) allocated, 497 (27832 bytes; 0 MB) used

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-83859/8327527/