Hopper: java.lang.ArrayIndexOutOfBoundsException: 1

java.lang.ArrayIndexOutOfBoundsException: 1
	at bls.a(SourceFile:672)
	at bls.a(SourceFile:624)
	at bll.a(SourceFile:1058)

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 25/10/13 20:42
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at bls.a(SourceFile:672)
	at bls.a(SourceFile:624)
	at bll.a(SourceFile:1058)
	at bll.b(SourceFile:813)
	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 bls.a(SourceFile:672)
	at bls.a(SourceFile:624)
	at bll.a(SourceFile:1058)

-- Affected level --
Details:
	Level name: MpServer
	All players: 2 total; [bje['balalove'/220, l='MpServer', x=-288,48, y=39,62, z=298,30], bld['thales1010'/588, l='MpServer', x=-287,25, y=38,00, z=300,03]]
	Chunk stats: MultiplayerChunkCache: 316, 316
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-248,64,256), Chunk: (at 8,4,0 in -16,16; contains blocks -256,0,256 to -241,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 4328 game time, 4328 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: 42 total; [ut['Vaca'/143, l='MpServer', x=-247,50, y=70,00, z=319,50], uq['Morcego'/2016, l='MpServer', x=-347,71, y=28,94, z=240,49], uq['Morcego'/2021, l='MpServer', x=-346,75, y=32,10, z=304,25], uq['Morcego'/2020, l='MpServer', x=-345,48, y=25,42, z=295,78], ut['Vaca'/23, l='MpServer', x=-358,50, y=73,00, z=232,22], ut['Vaca'/25, l='MpServer', x=-356,69, y=69,00, z=234,84], ut['Vaca'/144, l='MpServer', x=-250,47, y=73,00, z=320,38], ut['Vaca'/24, l='MpServer', x=-355,31, y=68,00, z=234,47], ut['Vaca'/145, l='MpServer', x=-246,47, y=70,00, z=321,16], ut['Vaca'/27, l='MpServer', x=-352,78, y=63,00, z=250,53], ut['Vaca'/146, l='MpServer', x=-247,97, y=70,00, z=321,50], ut['Vaca'/26, l='MpServer', x=-356,28, y=71,00, z=233,72], ut['Vaca'/28, l='MpServer', x=-357,97, y=64,00, z=249,13], uq['Morcego'/2238, l='MpServer', x=-340,78, y=29,68, z=323,53], ut['Vaca'/40, l='MpServer', x=-351,19, y=63,00, z=249,19], ut['Vaca'/41, l='MpServer', x=-349,50, y=63,00, z=250,50], vw['item.tile.torch'/46, l='MpServer', x=-339,06, y=37,13, z=322,72], ut['Vaca'/47, l='MpServer', x=-345,78, y=82,00, z=328,72], uq['Morcego'/2012, l='MpServer', x=-228,47, y=23,63, z=306,66], uq['Morcego'/2013, l='MpServer', x=-226,72, y=23,83, z=306,34], vy['entity.MinecartChest.name'/51, l='MpServer', x=-350,50, y=34,50, z=371,50], vy['entity.MinecartChest.name'/50, l='MpServer', x=-341,50, y=36,50, z=352,50], ut['Vaca'/49, l='MpServer', x=-339,09, y=83,00, z=329,91], ut['Vaca'/48, l='MpServer', x=-341,50, y=84,00, z=332,50], ut['Vaca'/60, l='MpServer', x=-326,22, y=64,00, z=287,88], ut['Vaca'/64, l='MpServer', x=-334,50, y=69,00, z=329,50], vy['entity.MinecartChest.name'/65, l='MpServer', x=-320,50, y=28,50, z=365,50], bje['balalove'/220, l='MpServer', x=-288,48, y=39,62, z=298,30], ut['Vaca'/81, l='MpServer', x=-308,38, y=69,00, z=293,50], ut['Vaca'/83, l='MpServer', x=-315,50, y=71,00, z=288,50], ut['Vaca'/82, l='MpServer', x=-314,81, y=69,00, z=291,50], uq['Morcego'/856, l='MpServer', x=-319,00, y=26,79, z=327,88], bld['thales1010'/588, l='MpServer', x=-287,25, y=38,00, z=300,03], uq['Morcego'/1564, l='MpServer', x=-318,66, y=22,54, z=351,72], vy['entity.MinecartChest.name'/115, l='MpServer', x=-290,50, y=33,50, z=374,50], uq['Morcego'/1324, l='MpServer', x=-273,13, y=31,00, z=316,66], uq['Morcego'/114, l='MpServer', x=-273,77, y=50,50, z=283,43], uq['Morcego'/1563, l='MpServer', x=-306,47, y=16,23, z=344,09], uq['Morcego'/1683, l='MpServer', x=-235,06, y=15,07, z=289,72], vw['item.tile.sapling.spruce'/1084, l='MpServer', x=-254,94, y=72,13, z=275,00], uq['Morcego'/1692, l='MpServer', x=-358,16, y=15,45, z=317,13], bld['thales1010'/588, l='MpServer', x=-287,25, y=38,00, z=300,03]]
	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:718)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Mac OS X (x86_64) version 10.8.4
	Java Version: 1.6.0_51, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 34520880 bytes (32 MB) / 204312576 bytes (194 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 6214 (347984 bytes; 0 MB) allocated, 959 (53704 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 1.7.2
	LWJGL: 2.9.1
	OpenGL: NVIDIA GeForce 9400M OpenGL Engine GL version 2.1 NVIDIA-8.12.47 310.40.00.05f01, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Português (BR)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1642 (91952 bytes; 0 MB) allocated, 186 (10416 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)