Hopper: java.lang.ArrayIndexOutOfBoundsException: 25774

java.lang.ArrayIndexOutOfBoundsException: 25774
	at adw.a(SourceFile:193)

---- Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: [~~HUG~~]

Time: 6.9.2013 16:02
Description: Invalid Biome id

java.lang.ArrayIndexOutOfBoundsException: 25774
	at adw.a(SourceFile:193)
	at akn.a(SourceFile:54)
	at akg.a(SourceFile:29)
	at aga.a(SourceFile:30)
	at agc.d(SourceFile:197)
	at kc.c(SourceFile:72)
	at kb.<init>(SourceFile:28)
	at ka.a(SourceFile:209)
	at ka.a(SourceFile:246)
	at hw.a(SourceFile:151)
	at hw.c(SourceFile:202)
	at hw.a(SourceFile:95)
	at bnq.b(SourceFile:73)
	at net.minecraft.server.MinecraftServer.t(SourceFile:481)
	at net.minecraft.server.MinecraftServer.s(SourceFile:398)
	at bnn.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:332)
	at hr.run(SourceFile:575)


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

-- Head --
Stacktrace:
	at adw.a(SourceFile:193)

-- Layer --
Details:
	Layer: amv@83df40b
	x: -200
	z: 552
	radius: 0
	allowed: [aek@72a3defe, adx@6485307e, aen@367ec61a]
Stacktrace:
	at adw.a(SourceFile:193)
	at akn.a(SourceFile:54)

-- Feature being prepared --
Details:
	Is feature chunk: False
	Chunk location: -13,34
	Chunk pos hash: 150323855347
	Structure type: akn
Stacktrace:
	at akg.a(SourceFile:29)
	at aga.a(SourceFile:30)
	at agc.d(SourceFile:197)

-- Chunk to be generated --
Details:
	Location: -5,26
	Position hash: 115964116987
	Generator: RandomLevelSource
Stacktrace:
	at kc.c(SourceFile:72)
	at kb.<init>(SourceFile:28)
	at ka.a(SourceFile:209)
	at ka.a(SourceFile:246)
	at hw.a(SourceFile:151)
	at hw.c(SourceFile:202)
	at hw.a(SourceFile:95)
	at bnq.b(SourceFile:73)
	at net.minecraft.server.MinecraftServer.t(SourceFile:481)
	at net.minecraft.server.MinecraftServer.s(SourceFile:398)
	at bnn.s(SourceFile:124)
	at net.minecraft.server.MinecraftServer.run(SourceFile:332)
	at hr.run(SourceFile:575)

-- System Details --
Details:
	Minecraft Version: 13w36b
	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: 247893328 bytes (236 MB) / 339804160 bytes (324 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 1689 (94584 bytes; 0 MB) allocated, 1617 (90552 bytes; 0 MB) used
	IntCache: cache: 8, tcache: 10, allocated: 13, tallocated: 125
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1331 (74536 bytes; 0 MB) allocated, 1331 (74536 bytes; 0 MB) used
	Player Count: 1 / 8; [kg['jateu'/134, l='New World', x=15,12, y=108,98, z=275,12]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.