Hopper: java.lang.NullPointerException: Unexpected error

This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-1130168/

Crash:

java.lang.NullPointerException: Unexpected error
	at bpv.a(SourceFile:540)
	at bpv.b(SourceFile:514)
	at bpq.b(SourceFile:680)
	at bpq.a(SourceFile:1236)

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

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 30-1-14 17:08
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at bpv.a(SourceFile:540)
	at bpv.b(SourceFile:514)
	at bpq.b(SourceFile:680)
	at bpq.a(SourceFile:1236)
	at bpq.b(SourceFile:921)
	at bcf.ag(SourceFile:803)
	at bcf.f(SourceFile:730)
	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 bpv.a(SourceFile:540)
	at bpv.b(SourceFile:514)
	at bpq.b(SourceFile:680)
	at bpq.a(SourceFile:1236)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bpg['Figolius'/273, l='MpServer', x=-85,16, y=89,51, z=109,53]]
	Chunk stats: MultiplayerChunkCache: 225, 225
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: -92,00,64,00,256,00 - World: (-92,64,256), Chunk: (at 4,4,0 in -6,16; contains blocks -96,0,256 to -81,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 321903 game time, 195279 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: 58 total; [wm['Cow'/139, l='MpServer', x=-96,47, y=70,00, z=181,69], wu['Sheep'/138, l='MpServer', x=-83,72, y=113,00, z=151,81], bpg['Figolius'/273, l='MpServer', x=-85,16, y=89,51, z=109,53], xp['item.item.frame'/152, l='MpServer', x=-76,97, y=90,13, z=118,31], zc['Villager'/159, l='MpServer', x=-68,83, y=84,00, z=89,50], xp['item.item.painting'/146, l='MpServer', x=-79,88, y=90,69, z=119,47], xp['item.item.frame'/147, l='MpServer', x=-71,78, y=90,13, z=117,78], xp['item.item.frame'/148, l='MpServer', x=-74,19, y=90,13, z=120,00], xp['item.item.frame'/149, l='MpServer', x=-75,03, y=90,13, z=118,13], xp['item.item.frame'/150, l='MpServer', x=-78,41, y=90,13, z=118,13], xp['item.item.frame'/151, l='MpServer', x=-79,00, y=90,69, z=119,13], wu['Sheep'/305, l='MpServer', x=-132,19, y=72,00, z=52,63], wt['Pig'/306, l='MpServer', x=-128,69, y=65,00, z=63,50], wu['Sheep'/310, l='MpServer', x=-121,50, y=69,00, z=58,66], zc['Villager'/163, l='MpServer', x=-62,74, y=88,00, z=106,85], zc['Villager'/162, l='MpServer', x=-74,22, y=86,00, z=95,47], wu['Sheep'/312, l='MpServer', x=-108,34, y=66,00, z=53,56], zc['Villager'/161, l='MpServer', x=-79,44, y=79,00, z=86,22], zc['Villager'/160, l='MpServer', x=-50,84, y=92,00, z=101,66], wu['Sheep'/165, l='MpServer', x=-55,47, y=115,00, z=149,34], wl['Chicken'/319, l='MpServer', x=-90,41, y=67,00, z=55,38], wu['Sheep'/164, l='MpServer', x=-50,56, y=97,00, z=159,50], wu['Sheep'/190, l='MpServer', x=-11,13, y=88,00, z=106,25], wu['Sheep'/191, l='MpServer', x=-25,53, y=93,00, z=140,84], wu['Sheep'/188, l='MpServer', x=-41,34, y=97,00, z=86,59], wu['Sheep'/189, l='MpServer', x=-28,47, y=113,00, z=69,59], wu['Sheep'/178, l='MpServer', x=-33,63, y=101,00, z=74,53], wj['Bat'/53086, l='MpServer', x=-85,07, y=27,75, z=103,95], wu['Sheep'/179, l='MpServer', x=-31,47, y=97,00, z=97,53], wu['Sheep'/177, l='MpServer', x=-49,66, y=97,00, z=83,53], wj['Bat'/49927, l='MpServer', x=-37,63, y=33,10, z=141,75], wu['Sheep'/180, l='MpServer', x=-39,13, y=102,00, z=143,81], wu['Sheep'/181, l='MpServer', x=-35,66, y=95,00, z=156,44], wu['Sheep'/196, l='MpServer', x=-8,84, y=87,00, z=109,25], wu['Sheep'/192, l='MpServer', x=-29,06, y=99,00, z=137,06], wu['Sheep'/194, l='MpServer', x=-8,75, y=94,00, z=91,44], wr['Mooshroom'/28663, l='MpServer', x=-66,13, y=84,00, z=85,03], wu['Sheep'/320, l='MpServer', x=-92,34, y=69,00, z=57,50], wt['Pig'/95, l='MpServer', x=-152,50, y=77,00, z=74,50], wt['Pig'/88, l='MpServer', x=-161,69, y=75,00, z=88,53], wu['Sheep'/102, l='MpServer', x=-155,03, y=68,00, z=169,97], wu['Sheep'/103, l='MpServer', x=-152,13, y=68,00, z=184,06], wu['Sheep'/100, l='MpServer', x=-158,94, y=80,00, z=115,97], wu['Sheep'/101, l='MpServer', x=-158,44, y=82,00, z=123,34], wt['Pig'/98, l='MpServer', x=-154,09, y=74,00, z=81,75], wu['Sheep'/99, l='MpServer', x=-154,41, y=76,00, z=107,13], wl['Chicken'/96, l='MpServer', x=-151,56, y=71,00, z=69,47], wu['Sheep'/110, l='MpServer', x=-142,63, y=89,00, z=140,75], wm['Cow'/111, l='MpServer', x=-136,59, y=71,00, z=169,38], wu['Sheep'/108, l='MpServer', x=-148,81, y=78,00, z=107,25], wu['Sheep'/109, l='MpServer', x=-135,47, y=83,00, z=122,53], wj['Bat'/106, l='MpServer', x=-137,25, y=39,10, z=104,25], wl['Chicken'/119, l='MpServer', x=-96,47, y=93,00, z=103,53], wu['Sheep'/118, l='MpServer', x=-120,78, y=92,00, z=102,28], wu['Sheep'/117, l='MpServer', x=-119,09, y=71,00, z=64,13], wu['Sheep'/353, l='MpServer', x=-32,28, y=113,00, z=45,22], wu['Sheep'/362, l='MpServer', x=-31,03, y=118,00, z=60,03], wm['Cow'/120, l='MpServer', x=-120,28, y=68,00, z=173,47]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bne.a(SourceFile:298)
	at bcf.b(SourceFile:2010)
	at bcf.f(SourceFile:744)
	at net.minecraft.client.main.Main.main(SourceFile:154)

-- System Details --
Details:
	Minecraft Version: 14w05a
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_20, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 57753688 bytes (55 MB) / 214671360 bytes (204 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Launched Version: 14w05a
	LWJGL: 2.9.1
	OpenGL: ATI Radeon HD 5570 GL version 4.0.9901 Compatibility Profile Context, ATI Technologies Inc.
	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: [Figolius pack 1.7]
	Current Language: English (UK)
	Profiler Position: N/A (disabled)
	Anisotropic Filtering: Off (1)

You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-1130168/54751361/