java.lang.NullPointerException
	at aef.a(SourceFile:82)

---- Minecraft Crash Report ----
// You're mean.

Time: 26-9-13 19:13
Description: Invalid Biome id

java.lang.NullPointerException
	at aef.a(SourceFile:82)
	at aed.<init>(SourceFile:26)
	at aec.a(SourceFile:52)
	at aec.b(SourceFile:61)
	at aef.a(SourceFile:61)
	at alu.a(SourceFile:933)
	at ade.a(SourceFile:115)
	at adu.a(SourceFile:158)
	at ahl.d(SourceFile:76)
	at bic.p(SourceFile:3499)
	at bic.b(SourceFile:122)
	at bie.a(SourceFile:160)
	at bip.a(SourceFile:1195)
	at bii.a(SourceFile:945)
	at bii.b(SourceFile:810)
	at awo.aa(SourceFile:781)
	at awo.e(SourceFile:704)
	at net.minecraft.client.main.Main.main(SourceFile:104)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at aef.a(SourceFile:82)

-- DownfallBlock --
Details:
	downfalls[] size: 256
	x: -80
	z: 0
	w: 16
	h: 16
Stacktrace:
	at aef.a(SourceFile:82)
	at aed.<init>(SourceFile:26)
	at aec.a(SourceFile:52)
	at aec.b(SourceFile:61)
	at aef.a(SourceFile:61)
	at alu.a(SourceFile:933)

-- Coordinates of biome request --
Details:
	Location: World: (-69,0,0), Chunk: (at 11,0,0 in -5,0; contains blocks -80,0,0 to -65,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at ade.a(SourceFile:115)
	at adu.a(SourceFile:158)
	at ahl.d(SourceFile:76)
	at bic.p(SourceFile:3499)
	at bic.b(SourceFile:122)
	at bie.a(SourceFile:160)
	at bip.a(SourceFile:1195)
	at bii.a(SourceFile:945)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bgg['nimbas1103'/1011, l='MpServer', x=-75,24, y=67,62, z=-28,40]]
	Chunk stats: MultiplayerChunkCache: 90, 90
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,65,0), 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: 16891 game time, 16891 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: 72 total; [to['item.item.diode'/143, l='MpServer', x=-12,88, y=66,13, z=29,53], si['Vleermuis'/10, l='MpServer', x=-132,46, y=36,48, z=-2,82], si['Vleermuis'/11, l='MpServer', x=-129,35, y=36,00, z=4,46], si['Vleermuis'/12, l='MpServer', x=-132,03, y=36,74, z=0,94], to['item.item.redstone'/133, l='MpServer', x=-15,88, y=65,13, z=20,13], si['Vleermuis'/13, l='MpServer', x=-129,99, y=37,86, z=1,45], to['item.item.redstone'/132, l='MpServer', x=-13,63, y=65,13, z=20,41], si['Vleermuis'/14, l='MpServer', x=-141,10, y=15,65, z=20,27], si['Vleermuis'/15, l='MpServer', x=-130,85, y=44,00, z=22,26], si['Vleermuis'/17, l='MpServer', x=-136,83, y=43,92, z=14,27], to['item.item.diode'/152, l='MpServer', x=-14,13, y=66,13, z=24,22], si['Vleermuis'/16, l='MpServer', x=-130,84, y=44,34, z=19,59], to['item.item.diode'/153, l='MpServer', x=-12,22, y=66,13, z=25,56], si['Vleermuis'/19, l='MpServer', x=-140,60, y=14,27, z=35,42], si['Vleermuis'/18, l='MpServer', x=-131,98, y=33,74, z=18,28], to['item.item.diode'/144, l='MpServer', x=-14,13, y=66,13, z=28,72], to['item.item.redstone'/145, l='MpServer', x=-15,22, y=65,13, z=29,59], to['item.item.redstone'/146, l='MpServer', x=-13,13, y=65,13, z=29,03], to['item.item.diode'/29, l='MpServer', x=-16,88, y=66,13, z=23,03], to['item.item.redstone'/31, l='MpServer', x=-19,16, y=65,13, z=23,00], to['item.item.diode'/30, l='MpServer', x=-18,16, y=66,13, z=21,53], to['item.item.redstone'/34, l='MpServer', x=-21,13, y=66,13, z=19,16], to['item.item.diode'/35, l='MpServer', x=-20,66, y=65,13, z=18,09], to['item.item.redstone'/32, l='MpServer', x=-17,59, y=65,13, z=22,13], to['item.item.redstone'/33, l='MpServer', x=-21,00, y=66,13, z=20,97], to['item.item.diode'/168, l='MpServer', x=-12,88, y=66,13, z=31,59], to['item.item.redstone'/38, l='MpServer', x=-17,13, y=65,13, z=19,50], to['item.item.redstone'/39, l='MpServer', x=-19,88, y=65,13, z=18,31], to['item.item.diode'/36, l='MpServer', x=-18,84, y=66,13, z=18,69], to['item.item.diode'/37, l='MpServer', x=-16,91, y=66,13, z=20,41], to['item.item.diode'/42, l='MpServer', x=-18,13, y=66,13, z=27,16], to['item.item.redstone'/43, l='MpServer', x=-21,28, y=66,13, z=27,88], to['item.item.redstone'/40, l='MpServer', x=-22,53, y=64,13, z=23,16], to['item.item.diode'/41, l='MpServer', x=-16,75, y=66,13, z=28,91], to['item.item.redstone'/46, l='MpServer', x=-21,91, y=66,13, z=27,03], to['item.item.redstone'/47, l='MpServer', x=-21,97, y=66,13, z=25,03], to['item.item.redstone'/44, l='MpServer', x=-19,88, y=65,13, z=28,59], to['item.item.redstone'/165, l='MpServer', x=-15,13, y=65,13, z=25,56], to['item.item.redstone'/164, l='MpServer', x=-13,16, y=65,13, z=25,84], to['item.item.redstone'/45, l='MpServer', x=-17,56, y=65,13, z=27,72], to['item.item.redstone'/51, l='MpServer', x=-17,66, y=65,13, z=25,53], to['item.item.diode'/50, l='MpServer', x=-16,13, y=66,13, z=25,84], to['item.item.diode'/49, l='MpServer', x=-18,13, y=66,13, z=25,25], to['item.item.diode'/48, l='MpServer', x=-20,25, y=66,13, z=25,00], to['item.item.diode'/55, l='MpServer', x=-18,88, y=66,13, z=31,91], to['item.item.diode'/54, l='MpServer', x=-20,13, y=66,13, z=31,44], to['item.item.redstone'/53, l='MpServer', x=-20,56, y=65,13, z=30,34], to['item.item.redstone'/52, l='MpServer', x=-19,88, y=65,13, z=25,13], to['item.item.redstone'/178, l='MpServer', x=-13,59, y=65,13, z=31,13], to['item.item.redstone'/59, l='MpServer', x=-21,97, y=66,13, z=31,44], to['item.item.redstone'/179, l='MpServer', x=-15,88, y=65,13, z=31,13], to['item.item.redstone'/58, l='MpServer', x=-19,16, y=65,13, z=30,97], to['item.item.redstone'/57, l='MpServer', x=-17,88, y=65,13, z=30,72], to['item.item.diode'/56, l='MpServer', x=-16,13, y=66,13, z=31,94], to['item.item.redstone'/63, l='MpServer', x=-19,88, y=65,13, z=34,69], to['item.item.redstone'/62, l='MpServer', x=-20,13, y=66,13, z=34,72], to['item.item.diode'/61, l='MpServer', x=-18,41, y=66,13, z=33,75], to['item.item.diode'/60, l='MpServer', x=-16,88, y=66,13, z=33,53], to['item.item.redstone'/64, l='MpServer', x=-17,13, y=65,13, z=34,69], to['item.item.redstone'/65, l='MpServer', x=-21,47, y=66,13, z=33,78], to['item.item.redstone'/200, l='MpServer', x=-13,13, y=65,13, z=35,59], to['item.item.diode'/197, l='MpServer', x=-12,88, y=66,13, z=34,75], to['item.item.redstone'/199, l='MpServer', x=-15,88, y=65,13, z=34,56], to['item.item.diode'/198, l='MpServer', x=-14,88, y=66,13, z=33,66], bgg['nimbas1103'/1011, l='MpServer', x=-75,24, y=67,62, z=-28,40], to['item.item.diode'/237, l='MpServer', x=-14,88, y=66,13, z=32,66], to['item.item.diode'/111, l='MpServer', x=-12,16, y=66,13, z=23,06], to['item.item.redstone'/114, l='MpServer', x=-13,13, y=65,13, z=22,00], to['item.item.redstone'/113, l='MpServer', x=-15,88, y=65,13, z=22,81], to['item.item.diode'/112, l='MpServer', x=-14,88, y=66,13, z=22,50], to['item.item.diode'/121, l='MpServer', x=-12,41, y=66,13, z=20,25], to['item.item.diode'/120, l='MpServer', x=-14,88, y=66,13, z=19,44]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bgb.a(SourceFile:301)
	at awo.b(SourceFile:1901)
	at awo.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:104)

-- System Details --
Details:
	Minecraft Version: 13w39a
	Operating System: Windows 8 (x86) version 6.2
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 61138352 bytes (58 MB) / 181231616 bytes (172 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 18595 (1041320 bytes; 0 MB) allocated, 721 (40376 bytes; 0 MB) used
	IntCache: cache: 5, tcache: 9, allocated: 15, tallocated: 126
	Launched Version: 13w39a
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 9.17.10.2932, Intel
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Nederlands (Nederland)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 158 (8848 bytes; 0 MB) allocated, 131 (7336 bytes; 0 MB) used