Hopper: java.lang.NullPointerException: Getting biome

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-963461/

Crash:

java.lang.NullPointerException: Getting biome
	at aqb.a(SourceFile:1015)

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

---- Minecraft Crash Report ----
// Why did you do that?

Time: 09/01/14 16.53
Description: Getting biome

java.lang.NullPointerException: Getting biome
	at aqb.a(SourceFile:1015)
	at agv.a(SourceFile:146)
	at agv.a(SourceFile:1085)
	at bod.j(SourceFile:1453)
	at bod.a(SourceFile:1006)
	at bod.b(SourceFile:873)
	at bav.ah(SourceFile:792)
	at bav.f(SourceFile:719)
	at net.minecraft.client.main.Main.main(SourceFile:154)


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

-- Head --
Stacktrace:
	at aqb.a(SourceFile:1015)

-- Coordinates of biome request --
Details:
	Location: World: (8,66,8), Chunk: (at 8,4,8 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 agv.a(SourceFile:146)
	at agv.a(SourceFile:1085)
	at bod.j(SourceFile:1453)
	at bod.a(SourceFile:1006)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [blt['AserLink'/298, 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: -152,00,64,00,256,00 - World: (-152,64,256), Chunk: (at 8,4,0 in -10,16; contains blocks -160,0,256 to -145,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 0 game time, 0 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; [blt['AserLink'/298, 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 blo.a(SourceFile:298)
	at bav.b(SourceFile:2016)
	at bav.f(SourceFile:728)
	at net.minecraft.client.main.Main.main(SourceFile:154)

-- System Details --
Details:
	Minecraft Version: 14w02b
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 73485688 bytes (70 MB) / 180355072 bytes (172 MB) up to 954728448 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	IntCache: cache: 5, tcache: 74, allocated: 12, tallocated: 94
	Launched Version: 14w02b
	LWJGL: 2.9.1
	OpenGL: GeForce GT 620M/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	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)
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-963461/47046513/