Hopper: java.lang.IllegalArgumentException: Biome ID is out of bounds: 2049

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-312575/

Crash:

java.lang.IllegalArgumentException: Biome ID is out of bounds: 2049
	at afy.d(SourceFile:480)

The following is the first clean report made public about this crash:

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 10/11/13 11:44 AM
Description: Invalid Biome id

java.lang.IllegalArgumentException: Biome ID is out of bounds: 2562
	at afy.d(SourceFile:480)
	at agf.a(SourceFile:82)
	at agd.<init>(SourceFile:26)
	at agc.a(SourceFile:52)
	at agc.b(SourceFile:61)
	at agf.a(SourceFile:61)
	at anv.a(SourceFile:933)
	at afe.a(SourceFile:115)
	at afe.a(SourceFile:1046)
	at bkr.i(SourceFile:1330)
	at bkr.a(SourceFile:919)
	at bkr.b(SourceFile:814)
	at ayp.ab(SourceFile:783)
	at ayp.e(SourceFile:706)
	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 afy.d(SourceFile:480)

-- DownfallBlock --
Details:
	biome id: 16
	downfalls[] size: 256
	x: 0
	z: 0
	w: 16
	h: 16
Stacktrace:
	at agf.a(SourceFile:82)
	at agd.<init>(SourceFile:26)
	at agc.a(SourceFile:52)
	at agc.b(SourceFile:61)
	at agf.a(SourceFile:61)
	at anv.a(SourceFile:933)

-- Coordinates of biome request --
Details:
	Location: World: (8,0,8), Chunk: (at 8,0,8 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)
Stacktrace:
	at afe.a(SourceFile:115)
	at afe.a(SourceFile:1046)
	at bkr.i(SourceFile:1330)
	at bkr.a(SourceFile:919)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bil['thelonelyone67'/268, l='MpServer', x=8.50, y=66.62, z=8.50]]
	Chunk stats: MultiplayerChunkCache: 0, 0
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (16,64,256), Chunk: (at 0,4,0 in 1,16; contains blocks 16,0,256 to 31,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 4992 game time, 4992 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 1 total; [bil['thelonelyone67'/268, l='MpServer', x=8.50, y=66.62, z=8.50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at big.a(SourceFile:302)
	at ayp.b(SourceFile:1935)
	at ayp.e(SourceFile:715)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w41b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 119763568 bytes (114 MB) / 208039936 bytes (198 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 4627 (259112 bytes; 0 MB) allocated, 4627 (259112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 27, allocated: 12, tallocated: 102
	Launched Version: 13w41b
	LWJGL: 2.9.0
	OpenGL: AMD Radeon(TM) HD 7450 GL version 4.2.11472 Compatibility Profile Context, ATI Technologies Inc.
	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: 20 (1120 bytes; 0 MB) allocated, 20 (1120 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-312575/16832819/