java.lang.NullPointerException
	at bif.a(SourceFile:509)
	at bif.b(SourceFile:467)
	at bia.b(SourceFile:476)
	at bia.a(SourceFile:939)

---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.

Time: 13/09/13 16:40
Description: Unexpected error

java.lang.NullPointerException
	at bif.a(SourceFile:509)
	at bif.b(SourceFile:467)
	at bia.b(SourceFile:476)
	at bia.a(SourceFile:939)
	at bia.b(SourceFile:695)
	at awo.V(SourceFile:717)
	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 bif.a(SourceFile:509)
	at bif.b(SourceFile:467)
	at bia.b(SourceFile:476)
	at bia.a(SourceFile:939)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bfz['ScienzaMat'/127, l='MpServer', x=-1346.44, y=57.62, z=-661.22]]
	Chunk stats: MultiplayerChunkCache: 344, 344
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-1240,4,-720), Chunk: (at 8,0,0 in -78,-45; contains blocks -1248,0,-720 to -1233,255,-705), Region: (-3,-2; contains chunks -96,-64 to -65,-33, blocks -1536,0,-1024 to -1025,255,-513)
	Level time: 475662 game time, 279 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: true), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 61 total; [ts['item.tile.blockRedstone'/791999, l='MpServer', x=-1326.81, y=233.13, z=-655.69], ts['item.tile.blockRedstone'/805060, l='MpServer', x=-1325.97, y=233.13, z=-656.63], ts['item.tile.blockRedstone'/701180, l='MpServer', x=-1323.69, y=56.13, z=-659.22], ts['item.tile.commandBlock'/745540, l='MpServer', x=-1326.88, y=233.13, z=-655.69], ts['item.tile.commandBlock'/775723, l='MpServer', x=-1326.09, y=233.13, z=-655.81], ts['item.tile.commandBlock'/789577, l='MpServer', x=-1325.22, y=56.13, z=-656.66], ts['item.tile.blockRedstone'/769170, l='MpServer', x=-1326.25, y=233.13, z=-655.97], ts['item.tile.commandBlock'/756617, l='MpServer', x=-1326.72, y=233.13, z=-655.69], ts['item.tile.blockRedstone'/732338, l='MpServer', x=-1326.00, y=233.13, z=-655.72], ts['item.tile.blockRedstone'/805902, l='MpServer', x=-1325.97, y=233.13, z=-655.84], ts['item.tile.commandBlock'/725771, l='MpServer', x=-1323.75, y=56.13, z=-658.44], ts['item.tile.commandBlock'/807377, l='MpServer', x=-1326.81, y=233.13, z=-655.91], ts['item.tile.commandBlock'/799537, l='MpServer', x=-1326.75, y=233.13, z=-656.59], bfz['ScienzaMat'/127, l='MpServer', x=-1346.44, y=57.62, z=-661.22], ts['item.tile.blockRedstone'/716637, l='MpServer', x=-1326.16, y=233.13, z=-655.69], ts['item.tile.blockRedstone'/723673, l='MpServer', x=-1326.84, y=233.13, z=-655.97], ts['item.tile.blockRedstone'/768178, l='MpServer', x=-1321.94, y=56.13, z=-660.19], ts['item.tile.commandBlock'/716465, l='MpServer', x=-1326.00, y=233.13, z=-656.63], ts['item.tile.blockRedstone'/744091, l='MpServer', x=-1326.84, y=233.13, z=-656.19], ts['item.item.netherStalkSeeds'/806949, l='MpServer', x=-1321.81, y=56.13, z=-638.44], ts['item.tile.blockRedstone'/703237, l='MpServer', x=-1327.03, y=233.13, z=-656.09], ts['item.tile.blockRedstone'/798473, l='MpServer', x=-1327.53, y=56.13, z=-656.72], ts['item.tile.commandBlock'/798474, l='MpServer', x=-1325.97, y=233.13, z=-655.97], ts['item.tile.commandBlock'/714337, l='MpServer', x=-1331.19, y=56.13, z=-665.97], ts['item.tile.blockRedstone'/752701, l='MpServer', x=-1326.97, y=233.13, z=-656.13], ts['item.tile.blockRedstone'/745948, l='MpServer', x=-1326.16, y=233.13, z=-656.59], ts['item.tile.commandBlock'/714428, l='MpServer', x=-1326.88, y=233.13, z=-656.41], ts['item.tile.commandBlock'/796478, l='MpServer', x=-1326.91, y=233.13, z=-655.91], ts['item.tile.commandBlock'/778399, l='MpServer', x=-1327.00, y=233.13, z=-656.00], ts['item.tile.commandBlock'/739238, l='MpServer', x=-1326.75, y=233.13, z=-656.41], ts['item.tile.commandBlock'/808155, l='MpServer', x=-1326.03, y=233.13, z=-656.59], ts['item.tile.blockRedstone'/810894, l='MpServer', x=-1326.72, y=233.13, z=-655.69], ts['item.tile.blockRedstone'/634653, l='MpServer', x=-1325.19, y=56.13, z=-657.28], ts['item.tile.blockRedstone'/710215, l='MpServer', x=-1326.25, y=233.13, z=-656.59], ts['item.tile.blockRedstone'/782913, l='MpServer', x=-1326.84, y=233.13, z=-656.63], ts['item.tile.commandBlock'/763834, l='MpServer', x=-1326.00, y=233.13, z=-655.72], ts['item.tile.blockRedstone'/701658, l='MpServer', x=-1326.22, y=233.13, z=-656.03], ts['item.tile.blockRedstone'/780185, l='MpServer', x=-1327.03, y=233.13, z=-655.94], ts['item.tile.commandBlock'/790168, l='MpServer', x=-1326.84, y=233.13, z=-655.72], ts['item.tile.blockRedstone'/784971, l='MpServer', x=-1326.03, y=233.13, z=-656.16], ts['item.tile.commandBlock'/707405, l='MpServer', x=-1326.44, y=233.13, z=-655.78], ts['item.tile.blockRedstone'/752437, l='MpServer', x=-1326.22, y=233.13, z=-655.78], ts['item.tile.commandBlock'/732883, l='MpServer', x=-1326.69, y=233.13, z=-656.25], ts['item.tile.commandBlock'/739402, l='MpServer', x=-1326.13, y=233.13, z=-655.78], ts['item.tile.commandBlock'/761021, l='MpServer', x=-1322.03, y=56.13, z=-661.16], ts['item.tile.commandBlock'/713764, l='MpServer', x=-1326.09, y=233.13, z=-655.88], ts['item.tile.commandBlock'/701835, l='MpServer', x=-1326.53, y=233.13, z=-655.72], ts['item.tile.blockRedstone'/776669, l='MpServer', x=-1328.22, y=56.13, z=-659.81], ts['item.tile.blockRedstone'/761116, l='MpServer', x=-1326.16, y=233.13, z=-655.69], ts['item.tile.commandBlock'/686225, l='MpServer', x=-1325.94, y=57.13, z=-655.03], ts['item.tile.blockRedstone'/800884, l='MpServer', x=-1326.81, y=233.13, z=-655.81], ts['item.tile.blockRedstone'/747351, l='MpServer', x=-1323.84, y=56.13, z=-658.31], ts['item.tile.blockRedstone'/744600, l='MpServer', x=-1325.81, y=56.13, z=-656.06], ts['item.item.netherStalkSeeds'/775445, l='MpServer', x=-1316.81, y=56.13, z=-640.81], ts['item.tile.blockRedstone'/695202, l='MpServer', x=-1323.81, y=56.13, z=-660.88], ts['item.tile.commandBlock'/769965, l='MpServer', x=-1326.81, y=233.13, z=-655.81], ts['item.tile.commandBlock'/726094, l='MpServer', x=-1326.16, y=233.13, z=-655.72], ts['item.tile.blockRedstone'/715787, l='MpServer', x=-1326.91, y=233.13, z=-655.72], ts['item.item.netherStalkSeeds'/778937, l='MpServer', x=-1320.97, y=56.13, z=-636.63], ts['item.tile.blockRedstone'/702883, l='MpServer', x=-1329.44, y=56.13, z=-661.03], ts['item.tile.blockRedstone'/696336, l='MpServer', x=-1323.69, y=56.13, z=-662.19]]
	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:660)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w37b
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 183692528 bytes (175 MB) / 442499072 bytes (422 MB) up to 1908932608 bytes (1820 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G
	AABB Pool Size: 1162 (65072 bytes; 0 MB) allocated, 544 (30464 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w37b
	LWJGL: 2.9.0
	OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 9.17.10.2875, Intel
	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: 203 (11368 bytes; 0 MB) allocated, 116 (6496 bytes; 0 MB) used