java.lang.NullPointerException: Updating screen events
	at bdd.a(SourceFile:349)
	at bcd.d(SourceFile:243)
	at bcd.k(SourceFile:211)

---- Minecraft Crash Report ----
// Oops.

Time: 25/10/13 17:31
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at bdd.a(SourceFile:349)
	at bcd.d(SourceFile:243)
	at bcd.k(SourceFile:211)
	at azd.o(SourceFile:1303)
	at azd.ad(SourceFile:753)
	at azd.e(SourceFile:704)
	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 bdd.a(SourceFile:349)
	at bcd.d(SourceFile:243)
	at bcd.k(SourceFile:211)

-- Affected screen --
Details:
	Screen name: bdo

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['Sergiopipe999'/40, l='MpServer', x=-253,90, y=68,62, z=165,46]]
	Chunk stats: MultiplayerChunkCache: 240, 240
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-256,64,164), Chunk: (at 0,4,4 in -16,10; contains blocks -256,0,160 to -241,255,175), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 325 game time, 325 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: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 92 total; [vb['Oveja'/17, l='MpServer', x=-309,84, y=66,00, z=128,84], vb['Oveja'/16, l='MpServer', x=-308,16, y=65,00, z=131,56], vb['Oveja'/19, l='MpServer', x=-307,66, y=68,00, z=123,13], vb['Oveja'/18, l='MpServer', x=-303,16, y=66,00, z=133,22], vb['Oveja'/25, l='MpServer', x=-235,17, y=69,00, z=162,01], vb['Oveja'/24, l='MpServer', x=-236,50, y=69,00, z=159,50], vb['Oveja'/27, l='MpServer', x=-241,11, y=68,00, z=159,57], vb['Oveja'/26, l='MpServer', x=-237,81, y=69,00, z=161,19], wl['Creeper'/1126, l='MpServer', x=-220,03, y=33,00, z=216,50], ve['Calamar'/55, l='MpServer', x=-310,53, y=56,75, z=215,25], uq['Murciélago'/54, l='MpServer', x=-283,38, y=11,98, z=104,16], ve['Calamar'/59, l='MpServer', x=-306,78, y=54,25, z=214,25], ve['Calamar'/58, l='MpServer', x=-316,06, y=56,75, z=211,31], ve['Calamar'/56, l='MpServer', x=-314,28, y=57,34, z=213,41], wz['Araña'/2270, l='MpServer', x=-300,56, y=59,00, z=93,06], ve['Calamar'/64, l='MpServer', x=-266,63, y=54,00, z=226,16], ve['Calamar'/65, l='MpServer', x=-269,06, y=51,88, z=225,34], ve['Calamar'/66, l='MpServer', x=-264,50, y=52,22, z=227,78], ve['Calamar'/67, l='MpServer', x=-254,88, y=49,22, z=228,44], ve['Calamar'/101, l='MpServer', x=-295,53, y=51,34, z=178,13], wx['Esqueleto'/1073, l='MpServer', x=-281,50, y=16,00, z=138,06], ve['Calamar'/157, l='MpServer', x=-234,13, y=58,34, z=209,84], ve['Calamar'/158, l='MpServer', x=-231,56, y=56,31, z=201,25], ve['Calamar'/159, l='MpServer', x=-233,41, y=57,00, z=201,91], ve['Calamar'/146, l='MpServer', x=-234,50, y=46,00, z=213,34], ve['Calamar'/147, l='MpServer', x=-236,53, y=46,28, z=211,19], ve['Calamar'/148, l='MpServer', x=-240,41, y=46,38, z=208,63], ve['Calamar'/149, l='MpServer', x=-246,50, y=45,38, z=216,59], ve['Calamar'/160, l='MpServer', x=-231,03, y=57,38, z=198,19], uq['Murciélago'/207, l='MpServer', x=-269,36, y=45,00, z=131,67], uq['Murciélago'/206, l='MpServer', x=-282,51, y=47,83, z=124,82], wx['Esqueleto'/218, l='MpServer', x=-224,50, y=30,00, z=146,50], xc['Zombi'/238, l='MpServer', x=-188,59, y=35,00, z=209,03], xc['Zombi'/237, l='MpServer', x=-189,69, y=35,00, z=206,03], xc['Zombi'/236, l='MpServer', x=-188,50, y=36,00, z=205,31], uq['Murciélago'/252, l='MpServer', x=-239,31, y=38,98, z=194,56], uq['Murciélago'/253, l='MpServer', x=-239,66, y=38,02, z=192,03], uq['Murciélago'/250, l='MpServer', x=-241,91, y=39,08, z=191,56], uq['Murciélago'/251, l='MpServer', x=-241,81, y=39,02, z=192,63], uq['Murciélago'/313, l='MpServer', x=-225,25, y=21,16, z=224,47], uq['Murciélago'/315, l='MpServer', x=-233,18, y=21,01, z=229,37], uq['Murciélago'/314, l='MpServer', x=-199,34, y=30,17, z=229,06], wl['Creeper'/316, l='MpServer', x=-260,50, y=26,00, z=96,50], wx['Esqueleto'/4116, l='MpServer', x=-186,50, y=27,00, z=87,50], wl['Creeper'/4118, l='MpServer', x=-210,50, y=18,00, z=234,50], wx['Esqueleto'/294, l='MpServer', x=-281,50, y=55,00, z=89,50], wl['Creeper'/348, l='MpServer', x=-218,50, y=35,00, z=215,50], wx['Esqueleto'/347, l='MpServer', x=-216,50, y=37,00, z=215,88], bje['Sergiopipe999'/40, l='MpServer', x=-253,90, y=68,62, z=165,46], wl['Creeper'/362, l='MpServer', x=-286,38, y=40,00, z=182,94], wx['Esqueleto'/395, l='MpServer', x=-329,50, y=18,00, z=109,50], wl['Creeper'/440, l='MpServer', x=-285,03, y=39,00, z=188,56], xc['Zombi'/441, l='MpServer', x=-277,50, y=36,00, z=189,50], xc['Zombi'/447, l='MpServer', x=-240,50, y=38,00, z=194,50], wx['Esqueleto'/432, l='MpServer', x=-219,97, y=30,00, z=156,50], wx['Esqueleto'/433, l='MpServer', x=-235,50, y=25,00, z=153,50], wx['Esqueleto'/434, l='MpServer', x=-232,50, y=25,00, z=150,66], xc['Zombi'/435, l='MpServer', x=-236,50, y=25,00, z=153,50], wx['Esqueleto'/436, l='MpServer', x=-223,50, y=44,00, z=210,50], wl['Creeper'/438, l='MpServer', x=-275,50, y=36,00, z=188,50], wl['Creeper'/439, l='MpServer', x=-276,50, y=36,00, z=191,50], xc['Zombi'/465, l='MpServer', x=-282,50, y=37,00, z=205,50], xc['Zombi'/450, l='MpServer', x=-236,50, y=38,00, z=193,50], xc['Zombi'/449, l='MpServer', x=-234,50, y=38,00, z=194,50], xc['Zombi'/448, l='MpServer', x=-238,50, y=38,00, z=193,50], xc['Zombi'/500, l='MpServer', x=-312,50, y=19,00, z=101,50], wl['Creeper'/501, l='MpServer', x=-312,53, y=21,00, z=94,97], wl['Creeper'/502, l='MpServer', x=-317,50, y=19,00, z=101,50], xc['Zombi'/499, l='MpServer', x=-310,50, y=19,00, z=103,50], wm['Enderman'/572, l='MpServer', x=-320,50, y=14,00, z=160,50], xc['Zombi'/571, l='MpServer', x=-317,50, y=14,00, z=158,50], wx['Esqueleto'/765, l='MpServer', x=-321,50, y=15,00, z=118,06], wx['Esqueleto'/4084, l='MpServer', x=-244,50, y=32,00, z=110,50], xc['Zombi'/4055, l='MpServer', x=-331,50, y=19,00, z=163,50], xc['Zombi'/4059, l='MpServer', x=-304,37, y=53,00, z=99,10], xc['Zombi'/4056, l='MpServer', x=-332,50, y=19,00, z=163,50], wx['Esqueleto'/4057, l='MpServer', x=-302,50, y=55,00, z=102,50], wx['Esqueleto'/880, l='MpServer', x=-228,50, y=15,00, z=131,50], wl['Creeper'/867, l='MpServer', x=-207,50, y=19,00, z=238,50], wz['Araña'/875, l='MpServer', x=-256,50, y=25,00, z=102,50], wx['Esqueleto'/4027, l='MpServer', x=-330,50, y=22,00, z=204,50], wx['Esqueleto'/858, l='MpServer', x=-269,47, y=23,00, z=98,13], wx['Esqueleto'/857, l='MpServer', x=-266,50, y=25,00, z=93,50], xc['Zombi'/950, l='MpServer', x=-273,06, y=36,00, z=191,31], xc['Zombi'/951, l='MpServer', x=-271,78, y=37,00, z=187,50], wl['Creeper'/946, l='MpServer', x=-332,50, y=27,00, z=180,50], wl['Creeper'/947, l='MpServer', x=-332,50, y=27,00, z=179,50], wl['Creeper'/898, l='MpServer', x=-310,50, y=19,00, z=108,50], wm['Enderman'/897, l='MpServer', x=-289,50, y=58,00, z=99,50], xc['Zombi'/1959, l='MpServer', x=-291,50, y=20,00, z=127,50], xc['Zombi'/1958, l='MpServer', x=-294,50, y=20,00, z=128,50], xc['Zombi'/1960, l='MpServer', x=-293,50, y=20,00, z=129,50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows XP (x86) version 5.1
	Java Version: 1.7.0_45, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 82861344 bytes (79 MB) / 219983872 bytes (209 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 9921 (555576 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 1.7.2
	LWJGL: 2.9.0
	OpenGL: GeForce 8400 GS/PCI/SSE2 GL version 3.3.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Español (España)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 12772 (715232 bytes; 0 MB) allocated, 34 (1904 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)