Hopper: Unhandled exception

Unhandled exception
	at bfu.a(SourceFile:285)

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

Time: 9/14/13 9:53 AM
Description: Manually triggered debug crash

java.lang.Throwable
	at awo.m(SourceFile:1290)
	at awo.V(SourceFile:690)
	at awo.e(SourceFile:646)
	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 bfu.a(SourceFile:285)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfz['banana478'/100834, l='MpServer', x=148.02, y=238.62, z=40.56]]
	Chunk stats: MultiplayerChunkCache: 225, 225
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (0,4,0), Chunk: (at 0,0,0 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: 2467270 game time, 6000 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: 90 total; [sw['Pig'/100754, l='MpServer', x=78.22, y=237.00, z=-25.81], tx['entity.MinecartHopper.name'/100759, l='MpServer', x=85.50, y=237.50, z=75.50], pj['Painting'/100813, l='MpServer', x=123.06, y=239.00, z=58.00], tx['entity.MinecartHopper.name'/100758, l='MpServer', x=78.50, y=237.34, z=105.50], pj['Painting'/100811, l='MpServer', x=123.06, y=239.50, z=57.50], sq['Donkey'/100757, l='MpServer', x=71.03, y=237.00, z=43.00], pj['Painting'/100815, l='MpServer', x=123.06, y=238.50, z=55.50], pj['Painting'/100812, l='MpServer', x=123.06, y=239.50, z=56.00], pb['entity.ItemFrame.name'/100763, l='MpServer', x=92.50, y=238.50, z=77.06], pb['entity.ItemFrame.name'/100762, l='MpServer', x=91.50, y=238.50, z=77.06], pb['entity.ItemFrame.name'/100761, l='MpServer', x=90.50, y=238.50, z=77.06], tx['entity.MinecartHopper.name'/100760, l='MpServer', x=85.50, y=239.50, z=75.47], ty['entity.MinecartRideable.name'/100767, l='MpServer', x=93.50, y=237.50, z=107.50], pb['entity.ItemFrame.name'/100766, l='MpServer', x=95.50, y=238.50, z=77.06], pb['entity.ItemFrame.name'/100765, l='MpServer', x=94.50, y=238.50, z=77.06], pb['entity.ItemFrame.name'/100764, l='MpServer', x=93.50, y=238.50, z=77.06], sx['Sheep'/100785, l='MpServer', x=108.09, y=237.00, z=45.09], oy['Experience Orb'/100784, l='MpServer', x=107.56, y=237.25, z=-4.03], pb['entity.ItemFrame.name'/100787, l='MpServer', x=97.50, y=238.50, z=77.06], pb['entity.ItemFrame.name'/100786, l='MpServer', x=96.50, y=238.50, z=77.06], sw['Pig'/100789, l='MpServer', x=105.53, y=231.00, z=66.47], sw['Pig'/100788, l='MpServer', x=105.47, y=231.00, z=66.47], sw['Pig'/100791, l='MpServer', x=105.47, y=231.00, z=66.53], sw['Pig'/100790, l='MpServer', x=105.47, y=231.00, z=66.53], sw['Pig'/100793, l='MpServer', x=105.53, y=231.00, z=66.53], sw['Pig'/100792, l='MpServer', x=105.53, y=231.00, z=66.53], sw['Pig'/100795, l='MpServer', x=105.53, y=231.00, z=66.47], sw['Pig'/100794, l='MpServer', x=105.53, y=231.00, z=66.53], sw['Pig'/100797, l='MpServer', x=105.47, y=231.00, z=66.47], sw['Pig'/100796, l='MpServer', x=105.47, y=231.00, z=66.47], sw['Pig'/100799, l='MpServer', x=105.53, y=231.00, z=66.47], sw['Pig'/100798, l='MpServer', x=105.47, y=231.00, z=66.47], ty['entity.MinecartRideable.name'/100768, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100769, l='MpServer', x=93.50, y=237.50, z=107.50], bfz['banana478'/100834, l='MpServer', x=148.02, y=238.62, z=40.56], ty['entity.MinecartRideable.name'/100770, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100771, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100772, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100773, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100774, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100775, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100776, l='MpServer', x=93.50, y=237.50, z=107.50], pj['Painting'/100817, l='MpServer', x=123.06, y=240.50, z=58.50], ty['entity.MinecartRideable.name'/100777, l='MpServer', x=93.50, y=237.50, z=107.50], pj['Painting'/100818, l='MpServer', x=123.06, y=240.50, z=57.00], ty['entity.MinecartRideable.name'/100778, l='MpServer', x=93.50, y=237.50, z=107.50], pj['Painting'/100814, l='MpServer', x=123.06, y=239.50, z=60.00], ty['entity.MinecartRideable.name'/100779, l='MpServer', x=93.50, y=237.50, z=107.50], pj['Painting'/100816, l='MpServer', x=123.06, y=238.00, z=55.50], ty['entity.MinecartRideable.name'/100780, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100781, l='MpServer', x=93.50, y=237.50, z=107.50], ty['entity.MinecartRideable.name'/100782, l='MpServer', x=93.50, y=237.50, z=107.50], pj['Painting'/100819, l='MpServer', x=123.06, y=240.00, z=59.00], ts['item.item.porkchopRaw'/100783, l='MpServer', x=109.41, y=237.13, z=-4.78], pj['Painting'/100820, l='MpServer', x=123.06, y=240.50, z=55.50], ty['entity.MinecartRideable.name'/100823, l='MpServer', x=134.47, y=237.50, z=73.50], sw['Pig'/100822, l='MpServer', x=112.19, y=237.00, z=87.25], sw['Pig'/100821, l='MpServer', x=109.48, y=237.00, z=84.20], pj['Painting'/100820, l='MpServer', x=123.06, y=240.50, z=55.50], pj['Painting'/100819, l='MpServer', x=123.06, y=240.00, z=59.00], pj['Painting'/100818, l='MpServer', x=123.06, y=240.50, z=57.00], pj['Painting'/100828, l='MpServer', x=140.06, y=240.50, z=97.50], pj['Painting'/100817, l='MpServer', x=123.06, y=240.50, z=58.50], pj['Painting'/100816, l='MpServer', x=123.06, y=238.00, z=55.50], pj['Painting'/100826, l='MpServer', x=140.06, y=238.50, z=97.50], pj['Painting'/100827, l='MpServer', x=140.06, y=243.00, z=97.50], ty['entity.MinecartRideable.name'/100830, l='MpServer', x=147.50, y=237.50, z=76.50], so['Chicken'/100829, l='MpServer', x=149.44, y=237.00, z=-39.66], pj['Painting'/100828, l='MpServer', x=140.06, y=240.50, z=97.50], pj['Painting'/100827, l='MpServer', x=140.06, y=243.00, z=97.50], pj['Painting'/100826, l='MpServer', x=140.06, y=238.50, z=97.50], sw['Pig'/100825, l='MpServer', x=129.47, y=229.56, z=70.47], sw['Pig'/100824, l='MpServer', x=133.50, y=231.00, z=67.50], sw['Pig'/100806, l='MpServer', x=115.06, y=237.00, z=83.88], sw['Pig'/100807, l='MpServer', x=111.47, y=239.00, z=85.91], ty['entity.MinecartRideable.name'/100804, l='MpServer', x=98.50, y=237.50, z=94.50], sw['Pig'/100805, l='MpServer', x=108.54, y=237.00, z=85.50], sw['Pig'/100802, l='MpServer', x=105.53, y=231.00, z=66.53], sw['Pig'/100803, l='MpServer', x=105.53, y=231.00, z=66.53], sw['Pig'/100800, l='MpServer', x=105.47, y=231.00, z=66.47], sw['Pig'/100801, l='MpServer', x=105.53, y=231.00, z=66.53], pj['Painting'/100814, l='MpServer', x=123.06, y=239.50, z=60.00], pj['Painting'/100815, l='MpServer', x=123.06, y=238.50, z=55.50], pj['Painting'/100812, l='MpServer', x=123.06, y=239.50, z=56.00], pj['Painting'/100813, l='MpServer', x=123.06, y=239.00, z=58.00], ts['item.item.saddle'/100810, l='MpServer', x=119.06, y=237.13, z=12.19], pj['Painting'/100811, l='MpServer', x=123.06, y=239.50, z=57.50], ts['item.item.saddle'/100808, l='MpServer', x=112.53, y=237.13, z=0.09], ts['item.item.porkchopRaw'/100809, l='MpServer', x=119.84, y=237.13, z=12.59], so['Chicken'/100832, l='MpServer', x=185.41, y=232.00, z=30.47]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bfu.a(SourceFile:285)
	at awo.b(SourceFile:1821)
	at awo.e(SourceFile:655)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w37b
	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), Oracle Corporation
	Memory: 483328664 bytes (460 MB) / 858361856 bytes (818 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 17044 (954464 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w37b
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 6520G GL version 4.2.12337 Compatibility Profile Context 13.101.0.0, 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: 765 (42840 bytes; 0 MB) allocated, 17 (952 bytes; 0 MB) used