Hopper: java.lang.ArrayIndexOutOfBoundsException: 1

java.lang.ArrayIndexOutOfBoundsException: 1
	at bhv.a(SourceFile:574)
	at bhv.a(SourceFile:537)
	at bho.a(SourceFile:882)

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 06/09/13 20:51
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: 1
	at bhv.a(SourceFile:574)
	at bhv.a(SourceFile:537)
	at bho.a(SourceFile:882)
	at bho.b(SourceFile:697)
	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 bhv.a(SourceFile:574)
	at bhv.a(SourceFile:537)
	at bho.a(SourceFile:882)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfn['donncha7'/84, l='MpServer', x=-266.52, y=65.62, z=-213.15]]
	Chunk stats: MultiplayerChunkCache: 255, 255
	Level seed: 0
	Level generator: ID 02 - largeBiomes, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-256,64,-212), Chunk: (at 0,4,12 in -16,-14; contains blocks -256,0,-224 to -241,255,-209), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 1299 game time, 1299 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: 64 total; [sf['Chicken'/13, l='MpServer', x=-343.63, y=66.00, z=-191.47], sd['Bat'/14, l='MpServer', x=-323.55, y=30.44, z=-188.34], un['Zombie'/15, l='MpServer', x=-327.65, y=26.00, z=-219.79], un['Zombie'/17, l='MpServer', x=-298.06, y=14.00, z=-203.41], ui['Skeleton'/16, l='MpServer', x=-305.50, y=28.00, z=-241.50], tj['item.tile.gravel'/19, l='MpServer', x=-282.44, y=34.13, z=-199.88], uk['Spider'/21, l='MpServer', x=-281.97, y=32.00, z=-186.06], tj['item.tile.gravel'/20, l='MpServer', x=-282.13, y=34.13, z=-199.13], un['Zombie'/23, l='MpServer', x=-272.69, y=54.00, z=-138.72], tw['Creeper'/22, l='MpServer', x=-284.69, y=32.00, z=-186.91], un['Zombie'/575, l='MpServer', x=-254.50, y=30.00, z=-143.50], sd['Bat'/27, l='MpServer', x=-261.06, y=29.62, z=-168.97], tj['item.item.seeds'/26, l='MpServer', x=-257.88, y=24.13, z=-257.44], tw['Creeper'/28, l='MpServer', x=-266.50, y=32.00, z=-160.50], uk['Spider'/35, l='MpServer', x=-265.19, y=44.00, z=-144.97], ui['Skeleton'/33, l='MpServer', x=-251.88, y=45.00, z=-143.50], tw['Creeper'/36, l='MpServer', x=-269.50, y=54.00, z=-143.50], sd['Bat'/524, l='MpServer', x=-196.33, y=48.00, z=-288.08], tj['item.tile.flower2.houstonia'/46, l='MpServer', x=-249.59, y=26.13, z=-261.81], ui['Skeleton'/44, l='MpServer', x=-245.50, y=34.00, z=-288.50], un['Zombie'/45, l='MpServer', x=-247.50, y=30.00, z=-282.50], un['Zombie'/539, l='MpServer', x=-331.50, y=37.00, z=-217.50], un['Zombie'/85, l='MpServer', x=-247.50, y=54.00, z=-191.50], bfn['donncha7'/84, l='MpServer', x=-266.52, y=65.62, z=-213.15], un['Zombie'/86, l='MpServer', x=-232.50, y=32.00, z=-138.50], tw['Creeper'/1050, l='MpServer', x=-214.50, y=32.00, z=-182.50], tx['Enderman'/637, l='MpServer', x=-225.69, y=44.00, z=-271.28], tw['Creeper'/636, l='MpServer', x=-225.50, y=44.00, z=-272.50], ui['Skeleton'/576, l='MpServer', x=-246.50, y=30.00, z=-145.50], ui['Skeleton'/577, l='MpServer', x=-232.50, y=22.00, z=-157.77], tw['Creeper'/580, l='MpServer', x=-255.50, y=31.00, z=-175.50], ui['Skeleton'/582, l='MpServer', x=-200.50, y=43.00, z=-289.50], ui['Skeleton'/583, l='MpServer', x=-204.50, y=43.00, z=-292.50], tw['Creeper'/675, l='MpServer', x=-203.16, y=48.00, z=-292.94], tw['Creeper'/674, l='MpServer', x=-201.50, y=48.00, z=-291.50], tw['Creeper'/673, l='MpServer', x=-204.38, y=48.00, z=-292.78], sd['Bat'/702, l='MpServer', x=-304.28, y=38.88, z=-212.72], sd['Bat'/700, l='MpServer', x=-284.73, y=32.00, z=-202.52], ui['Skeleton'/670, l='MpServer', x=-245.50, y=49.00, z=-159.50], ui['Skeleton'/751, l='MpServer', x=-236.50, y=15.00, z=-267.50], sd['Bat'/761, l='MpServer', x=-230.69, y=32.00, z=-272.31], tw['Creeper'/1179, l='MpServer', x=-284.50, y=54.00, z=-161.50], tw['Creeper'/1188, l='MpServer', x=-284.50, y=54.00, z=-162.50], un['Zombie'/735, l='MpServer', x=-249.50, y=27.00, z=-165.50], un['Zombie'/805, l='MpServer', x=-313.50, y=11.00, z=-213.50], ui['Skeleton'/810, l='MpServer', x=-201.69, y=39.33, z=-285.50], ui['Skeleton'/881, l='MpServer', x=-326.50, y=36.00, z=-203.84], ui['Skeleton'/880, l='MpServer', x=-327.75, y=36.00, z=-207.09], un['Zombie'/883, l='MpServer', x=-272.91, y=30.00, z=-181.91], un['Zombie'/882, l='MpServer', x=-274.50, y=30.00, z=-177.50], uk['Spider'/884, l='MpServer', x=-272.22, y=30.00, z=-180.53], sr['Squid'/327, l='MpServer', x=-209.69, y=56.16, z=-164.59], sd['Bat'/1828, l='MpServer', x=-204.25, y=38.00, z=-252.43], sd['Bat'/1829, l='MpServer', x=-199.39, y=38.31, z=-265.25], sr['Squid'/328, l='MpServer', x=-206.47, y=57.97, z=-161.19], ui['Skeleton'/879, l='MpServer', x=-246.50, y=40.00, z=-178.50], tw['Creeper'/849, l='MpServer', x=-230.50, y=37.00, z=-240.50], ui['Skeleton'/941, l='MpServer', x=-252.50, y=44.00, z=-142.50], ui['Skeleton'/940, l='MpServer', x=-254.13, y=45.00, z=-145.41], tw['Creeper'/932, l='MpServer', x=-231.50, y=15.00, z=-270.50], ui['Skeleton'/927, l='MpServer', x=-197.50, y=37.00, z=-294.50], tw['Creeper'/909, l='MpServer', x=-238.50, y=15.00, z=-268.50], un['Zombie'/908, l='MpServer', x=-238.50, y=15.00, z=-266.50], un['Zombie'/1008, l='MpServer', x=-238.50, y=35.00, z=-136.50]]
	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:656)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w36b
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 12410312 bytes (11 MB) / 183697408 bytes (175 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -Xmx512M
	AABB Pool Size: 19638 (1099728 bytes; 1 MB) allocated, 958 (53648 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 103
	Launched Version: 13w36b
	LWJGL: 2.9.0
	OpenGL: GeForce 6200/AGP/SSE2 GL version 2.1.2, NVIDIA Corporation
	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: 1908 (106848 bytes; 0 MB) allocated, 380 (21280 bytes; 0 MB) used