Hopper: java.lang.ArrayIndexOutOfBoundsException: 1

java.lang.ArrayIndexOutOfBoundsException: 1
	at bfl.a(SourceFile:573)
	at bfl.a(SourceFile:536)
	at bfe.a(SourceFile:896)

---- Minecraft Crash Report ----
// I feel sad now :(

Time: 23/09/13 1:21 PM
Description: Unexpected error

java.lang.NullPointerException
	at bfl.a(SourceFile:573)
	at bfl.a(SourceFile:536)
	at bfe.a(SourceFile:896)
	at bfe.b(SourceFile:695)
	at atv.S(SourceFile:686)
	at atv.d(SourceFile:619)
	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 bfl.a(SourceFile:573)
	at bfl.a(SourceFile:536)
	at bfe.a(SourceFile:896)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bdi['Ghengis_Khan18'/372, l='MpServer', x=110.31, y=52.62, z=308.94]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (64,64,252), Chunk: (at 0,4,12 in 4,15; contains blocks 64,0,240 to 79,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 56730914 game time, 57998306 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 193 total; [tf['Creeper'/6169544, l='MpServer', x=160.50, y=61.00, z=283.50], tf['Creeper'/6157138, l='MpServer', x=55.50, y=18.00, z=350.50], tf['Creeper'/6157137, l='MpServer', x=53.50, y=18.00, z=351.50], tf['Creeper'/6157136, l='MpServer', x=43.31, y=19.00, z=355.50], tr['Skeleton'/6169552, l='MpServer', x=178.94, y=66.00, z=253.34], tw['Zombie'/6191313, l='MpServer', x=94.50, y=41.00, z=345.50], tw['Zombie'/6191312, l='MpServer', x=97.50, y=41.00, z=341.50], tw['Zombie'/6191319, l='MpServer', x=169.50, y=28.00, z=377.01], ts['Slime'/6097183, l='MpServer', x=176.69, y=11.96, z=311.69], ro['Bat'/6174820, l='MpServer', x=75.91, y=44.74, z=378.22], ro['Bat'/6174816, l='MpServer', x=98.31, y=38.00, z=367.53], tr['Skeleton'/6171510, l='MpServer', x=164.28, y=69.00, z=324.84], tf['Creeper'/6134031, l='MpServer', x=48.00, y=41.00, z=333.38], ss['item.item.egg'/6189646, l='MpServer', x=161.34, y=64.13, z=292.81], ss['item.item.egg'/6167669, l='MpServer', x=163.69, y=67.13, z=309.09], ss['item.item.rottenFlesh'/6081177, l='MpServer', x=96.31, y=92.13, z=281.03], rx['entity.Cat.name'/95, l='MpServer', x=35.50, y=66.00, z=259.50], rz['Sheep'/101, l='MpServer', x=38.50, y=76.00, z=380.50], tw['Zombie'/98, l='MpServer', x=36.97, y=41.00, z=335.47], tw['Zombie'/99, l='MpServer', x=32.56, y=41.00, z=342.00], rr['Cow'/110, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/111, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/108, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/109, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/106, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/107, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/104, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/105, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/119, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/118, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/117, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/116, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/115, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/114, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/113, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/112, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/127, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/126, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/125, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/124, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/123, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/122, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/121, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/120, l='MpServer', x=62.47, y=65.00, z=253.47], sy['entity.MinecartRideable.name'/137, l='MpServer', x=59.50, y=201.50, z=275.66], ro['Bat'/6158697, l='MpServer', x=99.25, y=52.10, z=356.34], rq['Chicken'/136, l='MpServer', x=63.56, y=11.00, z=277.53], rz['Sheep'/139, l='MpServer', x=57.53, y=64.00, z=288.09], rz['Sheep'/138, l='MpServer', x=58.34, y=64.00, z=292.78], rr['Cow'/129, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/128, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/131, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/130, l='MpServer', x=62.47, y=65.00, z=253.47], rr['Cow'/133, l='MpServer', x=62.53, y=65.00, z=253.47], rr['Cow'/132, l='MpServer', x=62.47, y=65.00, z=253.47], sy['entity.MinecartRideable.name'/135, l='MpServer', x=61.38, y=11.50, z=262.50], rr['Cow'/134, l='MpServer', x=62.47, y=65.00, z=253.47], ro['Bat'/6179108, l='MpServer', x=62.69, y=17.26, z=388.25], sy['entity.MinecartRideable.name'/152, l='MpServer', x=78.50, y=96.34, z=269.50], ro['Bat'/6179109, l='MpServer', x=83.72, y=20.00, z=381.59], sy['entity.MinecartRideable.name'/153, l='MpServer', x=78.50, y=100.34, z=269.50], sy['entity.MinecartRideable.name'/154, l='MpServer', x=78.50, y=108.34, z=269.50], sy['entity.MinecartRideable.name'/155, l='MpServer', x=78.50, y=104.34, z=269.50], sy['entity.MinecartRideable.name'/156, l='MpServer', x=78.50, y=112.34, z=269.50], sy['entity.MinecartRideable.name'/157, l='MpServer', x=78.50, y=116.34, z=269.50], sy['entity.MinecartRideable.name'/158, l='MpServer', x=78.50, y=120.34, z=269.50], sy['entity.MinecartRideable.name'/159, l='MpServer', x=78.50, y=124.34, z=269.50], sy['entity.MinecartRideable.name'/144, l='MpServer', x=78.50, y=68.34, z=269.50], sy['entity.MinecartRideable.name'/145, l='MpServer', x=78.50, y=72.34, z=269.50], sy['entity.MinecartRideable.name'/146, l='MpServer', x=78.50, y=76.34, z=269.50], sy['entity.MinecartRideable.name'/147, l='MpServer', x=78.50, y=80.34, z=269.50], sy['entity.MinecartRideable.name'/148, l='MpServer', x=78.50, y=84.34, z=269.50], sy['entity.MinecartRideable.name'/149, l='MpServer', x=78.50, y=88.34, z=269.50], sy['entity.MinecartRideable.name'/150, l='MpServer', x=78.50, y=92.34, z=269.50], sy['entity.MinecartRideable.name'/151, l='MpServer', x=78.50, y=81.50, z=271.50], sy['entity.MinecartRideable.name'/171, l='MpServer', x=78.50, y=172.34, z=269.50], ro['Bat'/6162281, l='MpServer', x=105.59, y=53.00, z=364.97], tf['Creeper'/6150143, l='MpServer', x=89.00, y=18.00, z=288.56], sy['entity.MinecartRideable.name'/170, l='MpServer', x=78.50, y=168.34, z=269.50], sy['entity.MinecartRideable.name'/169, l='MpServer', x=78.50, y=164.34, z=269.50], sy['entity.MinecartRideable.name'/168, l='MpServer', x=78.50, y=160.34, z=269.50], sy['entity.MinecartRideable.name'/175, l='MpServer', x=78.50, y=188.34, z=269.50], sy['entity.MinecartRideable.name'/174, l='MpServer', x=78.50, y=184.34, z=269.50], sy['entity.MinecartRideable.name'/173, l='MpServer', x=78.50, y=180.34, z=269.50], sy['entity.MinecartRideable.name'/172, l='MpServer', x=78.50, y=176.34, z=269.50], sy['entity.MinecartRideable.name'/163, l='MpServer', x=78.50, y=128.34, z=269.50], sy['entity.MinecartRideable.name'/162, l='MpServer', x=78.50, y=140.34, z=269.50], sy['entity.MinecartRideable.name'/161, l='MpServer', x=78.50, y=136.34, z=269.50], sy['entity.MinecartRideable.name'/160, l='MpServer', x=78.50, y=132.34, z=269.50], sy['entity.MinecartRideable.name'/167, l='MpServer', x=78.50, y=156.34, z=269.50], sy['entity.MinecartRideable.name'/166, l='MpServer', x=78.50, y=152.34, z=269.50], sy['entity.MinecartRideable.name'/165, l='MpServer', x=78.50, y=148.34, z=269.50], sy['entity.MinecartRideable.name'/164, l='MpServer', x=78.50, y=144.34, z=269.50], su['entity.MinecartChest.name'/178, l='MpServer', x=72.50, y=18.34, z=296.50], sy['entity.MinecartRideable.name'/176, l='MpServer', x=78.50, y=192.34, z=269.50], sy['entity.MinecartRideable.name'/177, l='MpServer', x=78.50, y=193.50, z=270.50], tw['Zombie'/205, l='MpServer', x=95.30, y=197.00, z=271.81], tf['Creeper'/6164565, l='MpServer', x=94.50, y=20.00, z=380.50], tw['Zombie'/204, l='MpServer', x=96.70, y=197.00, z=272.70], rx['entity.Cat.name'/207, l='MpServer', x=86.13, y=51.88, z=277.50], ss['item.item.egg'/3941195, l='MpServer', x=158.19, y=60.13, z=363.31], tw['Zombie'/6164567, l='MpServer', x=92.50, y=20.00, z=379.50], tw['Zombie'/203, l='MpServer', x=96.70, y=197.00, z=271.30], tt['Spider'/6173785, l='MpServer', x=41.41, y=40.00, z=334.22], tw['Zombie'/202, l='MpServer', x=95.86, y=197.00, z=271.30], rs['Horse'/196, l='MpServer', x=86.97, y=64.00, z=244.38], rs['Horse'/193, l='MpServer', x=85.34, y=64.00, z=252.00], rs['Horse'/192, l='MpServer', x=83.34, y=64.00, z=250.34], rs['Donkey'/195, l='MpServer', x=86.25, y=64.00, z=242.72], rs['Horse'/194, l='MpServer', x=89.41, y=64.00, z=242.34], tw['Zombie'/223, l='MpServer', x=105.91, y=41.00, z=375.44], ro['Bat'/6191668, l='MpServer', x=76.06, y=46.18, z=380.00], ub['Villager'/216, l='MpServer', x=93.50, y=65.00, z=315.50], ro['Bat'/6191669, l='MpServer', x=86.47, y=48.62, z=389.53], ro['Bat'/6191670, l='MpServer', x=90.50, y=48.81, z=386.63], ro['Bat'/6190819, l='MpServer', x=88.11, y=47.85, z=351.75], tw['Zombie'/212, l='MpServer', x=96.70, y=197.00, z=271.96], su['entity.MinecartChest.name'/215, l='MpServer', x=88.50, y=18.34, z=305.50], tw['Zombie'/209, l='MpServer', x=95.30, y=197.00, z=272.70], tw['Zombie'/210, l='MpServer', x=95.98, y=197.00, z=271.30], tw['Zombie'/211, l='MpServer', x=95.30, y=197.00, z=272.70], tw['Zombie'/254, l='MpServer', x=96.70, y=197.00, z=271.30], bdi['Ghengis_Khan18'/372, l='MpServer', x=110.31, y=52.62, z=308.94], tw['Zombie'/255, l='MpServer', x=96.05, y=197.00, z=272.70], tw['Zombie'/253, l='MpServer', x=95.30, y=197.00, z=272.11], tw['Zombie'/250, l='MpServer', x=96.70, y=197.00, z=272.70], rq['Chicken'/251, l='MpServer', x=96.41, y=7.00, z=282.53], tw['Zombie'/248, l='MpServer', x=95.30, y=197.00, z=271.30], tw['Zombie'/249, l='MpServer', x=96.70, y=197.00, z=271.93], tf['Creeper'/6160255, l='MpServer', x=54.50, y=11.00, z=377.50], rs['Horse'/245, l='MpServer', x=96.94, y=64.00, z=244.25], ub['Villager'/275, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/274, l='MpServer', x=106.69, y=69.00, z=315.31], ub['Villager'/273, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/272, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/279, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/278, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/277, l='MpServer', x=106.69, y=69.00, z=315.31], ub['Villager'/276, l='MpServer', x=106.31, y=69.00, z=315.31], sy['entity.MinecartRideable.name'/281, l='MpServer', x=103.50, y=83.50, z=315.50], tr['Skeleton'/6186038, l='MpServer', x=75.50, y=11.00, z=381.50], ub['Villager'/280, l='MpServer', x=103.50, y=83.20, z=315.50], tw['Zombie'/285, l='MpServer', x=103.03, y=38.00, z=366.59], tw['Zombie'/284, l='MpServer', x=106.06, y=67.00, z=353.50], ub['Villager'/258, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/259, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/262, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/263, l='MpServer', x=106.69, y=69.00, z=315.31], ub['Villager'/260, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/261, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/266, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/267, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/264, l='MpServer', x=106.69, y=69.00, z=315.31], ub['Villager'/265, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/270, l='MpServer', x=106.69, y=69.00, z=315.69], ub['Villager'/271, l='MpServer', x=106.69, y=69.00, z=315.31], ub['Villager'/268, l='MpServer', x=106.31, y=69.00, z=315.31], ub['Villager'/269, l='MpServer', x=106.31, y=69.00, z=315.31], tw['Zombie'/6180035, l='MpServer', x=98.91, y=40.00, z=383.31], tw['Zombie'/6190851, l='MpServer', x=36.95, y=17.00, z=378.50], rq['Chicken'/315, l='MpServer', x=159.44, y=60.00, z=363.47], rq['Chicken'/293, l='MpServer', x=101.47, y=70.00, z=377.53], tf['Creeper'/6173654, l='MpServer', x=186.50, y=69.00, z=336.50], tw['Zombie'/336, l='MpServer', x=187.97, y=5.00, z=316.69], rq['Chicken'/324, l='MpServer', x=163.16, y=67.00, z=310.53], tw['Zombie'/6177837, l='MpServer', x=107.50, y=50.00, z=380.50], tr['Skeleton'/6154081, l='MpServer', x=96.50, y=38.00, z=366.47], rq['Chicken'/323, l='MpServer', x=163.56, y=70.00, z=323.47], rq['Chicken'/320, l='MpServer', x=163.38, y=66.00, z=293.56], rq['Chicken'/331, l='MpServer', x=183.81, y=67.00, z=362.19], ro['Bat'/6186087, l='MpServer', x=166.25, y=66.59, z=368.69], rq['Chicken'/329, l='MpServer', x=168.38, y=67.00, z=339.59], ro['Bat'/6167381, l='MpServer', x=71.16, y=17.04, z=386.53], tr['Skeleton'/6152980, l='MpServer', x=89.50, y=16.00, z=349.50], tw['Zombie'/6160110, l='MpServer', x=130.50, y=55.00, z=242.50], ro['Bat'/6174676, l='MpServer', x=33.65, y=18.98, z=326.72], tr['Skeleton'/6136707, l='MpServer', x=86.50, y=47.00, z=383.50], oe['entity.LeashKnot.name'/362, l='MpServer', x=59.50, y=64.50, z=291.50], tn['Zombie Pigman'/6193625, l='MpServer', x=91.50, y=148.00, z=266.50], oe['entity.LeashKnot.name'/363, l='MpServer', x=98.50, y=65.50, z=245.50], tf['Creeper'/6076640, l='MpServer', x=72.50, y=14.00, z=364.50], ro['Bat'/6188551, l='MpServer', x=107.88, y=53.00, z=378.00], rq['Chicken'/3909412, l='MpServer', x=100.47, y=69.00, z=383.59], rq['Chicken'/3909414, l='MpServer', x=115.56, y=71.00, z=383.56], tr['Skeleton'/6150146, l='MpServer', x=91.50, y=18.00, z=298.50], tt['Spider'/6170233, l='MpServer', x=40.72, y=15.00, z=324.94], tr['Skeleton'/6167033, l='MpServer', x=64.84, y=26.00, z=379.50], tf['Creeper'/6167034, l='MpServer', x=70.50, y=25.00, z=379.50], tf['Creeper'/6170225, l='MpServer', x=100.00, y=19.00, z=376.47], tf['Creeper'/6170224, l='MpServer', x=91.75, y=19.00, z=372.88], tr['Skeleton'/6170226, l='MpServer', x=95.50, y=19.00, z=375.50], tf['Creeper'/6170223, l='MpServer', x=95.50, y=19.00, z=376.50], tf['Creeper'/6178472, l='MpServer', x=74.75, y=44.00, z=382.03]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bdd.a(SourceFile:284)
	at atv.b(SourceFile:1761)
	at atv.d(SourceFile:633)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 351722280 bytes (335 MB) / 540999680 bytes (515 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 3820 (213920 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	Launched Version: 1.6.4
	LWJGL: 2.9.0
	OpenGL: GeForce GTX 260/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 3346 (187376 bytes; 0 MB) allocated, 28 (1568 bytes; 0 MB) used