Hopper: java.lang.IndexOutOfBoundsException: Index: 4, Size: 2

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-465362/

Crash:

java.lang.IndexOutOfBoundsException: Index: 4, Size: 2
	at java.util.ArrayList.rangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at beb.a(SourceFile:108)
	at bdd.a(SourceFile:78)
	at beb.a(SourceFile:122)

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

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

Time: 25/10/13 17:23
Description: Rendering screen

java.lang.IndexOutOfBoundsException: Index: 4, Size: 4
	at java.util.ArrayList.rangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at beb.a(SourceFile:108)
	at bdd.a(SourceFile:78)
	at beb.a(SourceFile:122)
	at bll.b(SourceFile:851)
	at azd.ad(SourceFile:780)
	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:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at java.util.ArrayList.rangeCheck(Unknown Source)
	at java.util.ArrayList.get(Unknown Source)
	at beb.a(SourceFile:108)
	at bdd.a(SourceFile:78)
	at beb.a(SourceFile:122)

-- Screen render details --
Details:
	Screen name: beb
	Mouse location: Scaled: (296, 73). Absolute: (888, 548)
	Screen size: Scaled: (456, 256). Absolute: (1366, 768). Scale factor of 3

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['mineingcatnip'/168764, l='MpServer', x=901.29, y=5.62, z=-3326.30]]
	Chunk stats: MultiplayerChunkCache: 337, 337
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (654,4,933), Chunk: (at 14,0,5 in 40,58; contains blocks 640,0,928 to 655,255,943), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
	Level time: 51691 game time, 54551 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 37 total; [uq['Bat'/6004512, l='MpServer', x=865.72, y=12.57, z=-3264.56], uq['Bat'/3943537, l='MpServer', x=888.50, y=6.10, z=-3318.81], uq['Bat'/5660286, l='MpServer', x=888.25, y=8.10, z=-3320.84], uq['Bat'/6196148, l='MpServer', x=911.53, y=4.82, z=-3251.63], xh['Villager'/2013124, l='MpServer', x=894.31, y=4.00, z=-3332.06], xh['Villager'/2013125, l='MpServer', x=922.50, y=4.00, z=-3327.25], xh['Villager'/2013121, l='MpServer', x=920.34, y=4.00, z=-3316.06], xh['Villager'/2013122, l='MpServer', x=903.53, y=4.00, z=-3327.31], xh['Villager'/2013123, l='MpServer', x=914.78, y=4.00, z=-3318.22], xh['Villager'/2013240, l='MpServer', x=901.50, y=5.00, z=-3334.31], xh['Villager'/2013241, l='MpServer', x=911.45, y=4.00, z=-3340.35], xh['Villager'/2013095, l='MpServer', x=889.50, y=5.00, z=-3333.19], xh['Villager'/2013098, l='MpServer', x=902.28, y=5.00, z=-3332.50], xh['Villager'/2013099, l='MpServer', x=898.50, y=4.00, z=-3318.31], xh['Villager'/2013096, l='MpServer', x=898.31, y=4.00, z=-3333.00], xh['Villager'/2013102, l='MpServer', x=908.69, y=5.00, z=-3318.53], xh['Villager'/2013103, l='MpServer', x=911.75, y=4.00, z=-3319.31], xh['Villager'/2013100, l='MpServer', x=916.69, y=4.00, z=-3326.06], xh['Villager'/2013101, l='MpServer', x=920.25, y=4.00, z=-3330.66], xh['Villager'/2013107, l='MpServer', x=914.66, y=4.00, z=-3307.72], xh['Villager'/2013105, l='MpServer', x=906.41, y=4.00, z=-3342.34], xh['Villager'/2013104, l='MpServer', x=903.28, y=4.00, z=-3302.75], uq['Bat'/4131907, l='MpServer', x=858.19, y=6.10, z=-3316.97], xh['Villager'/2013111, l='MpServer', x=909.69, y=4.00, z=-3305.69], xh['Villager'/2013110, l='MpServer', x=926.31, y=5.00, z=-3320.69], xh['Villager'/2013109, l='MpServer', x=897.53, y=4.00, z=-3319.69], xh['Villager'/2013108, l='MpServer', x=912.50, y=4.00, z=-3320.78], xh['Villager'/2013115, l='MpServer', x=918.09, y=4.00, z=-3330.34], uq['Bat'/3880999, l='MpServer', x=887.25, y=7.10, z=-3320.56], xh['Villager'/2013114, l='MpServer', x=894.69, y=4.00, z=-3308.50], xh['Villager'/2013113, l='MpServer', x=913.50, y=5.00, z=-3339.10], xh['Villager'/2013112, l='MpServer', x=899.99, y=5.00, z=-3332.56], xh['Villager'/2013119, l='MpServer', x=914.41, y=4.00, z=-3329.84], xh['Villager'/2013118, l='MpServer', x=894.39, y=4.00, z=-3342.31], xh['Villager'/2013117, l='MpServer', x=918.74, y=4.00, z=-3326.71], xh['Villager'/2013116, l='MpServer', x=906.56, y=5.00, z=-3332.75], bje['mineingcatnip'/168764, l='MpServer', x=901.29, y=5.62, z=-3326.30]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 270476224 bytes (257 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: 30454 (1705424 bytes; 1 MB) allocated, 2790 (156240 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics Family GL version 3.0.0 - Build 8.15.10.2342, 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: 492 (27552 bytes; 0 MB) allocated, 492 (27552 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-465362/21405086/