java.lang.NullPointerException: Updating screen events
	at aex.a(SourceFile:36)
	at zb.h(SourceFile:135)
	at zb.a(SourceFile:77)
	at zh.c(SourceFile:77)
	at yb.a(SourceFile:222)
	at biq.a(SourceFile:308)
	at bcw.a(SourceFile:490)
	at bcw.b(SourceFile:463)
	at bbw.d(SourceFile:240)
	at bbw.k(SourceFile:211)

---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 10/18/13 2:28 PM
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at aex.a(SourceFile:36)
	at zb.h(SourceFile:135)
	at zb.a(SourceFile:77)
	at zh.c(SourceFile:77)
	at yb.a(SourceFile:222)
	at biq.a(SourceFile:308)
	at bcw.a(SourceFile:490)
	at bcw.b(SourceFile:463)
	at bbw.d(SourceFile:240)
	at bbw.k(SourceFile:211)
	at ayw.o(SourceFile:1302)
	at ayw.ad(SourceFile:755)
	at ayw.e(SourceFile:706)
	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 aex.a(SourceFile:36)
	at zb.h(SourceFile:135)
	at zb.a(SourceFile:77)
	at zh.c(SourceFile:77)
	at yb.a(SourceFile:222)
	at biq.a(SourceFile:308)
	at bcw.a(SourceFile:490)
	at bcw.b(SourceFile:463)
	at bbw.d(SourceFile:240)
	at bbw.k(SourceFile:211)

-- Affected screen --
Details:
	Screen name: bdu

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [biw['Snakecatcher121'/225731, l='MpServer', x=-1532.25, y=65.62, z=-1992.70]]
	Chunk stats: MultiplayerChunkCache: 332, 332
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-1405,4,-2500), Chunk: (at 3,0,12 in -88,-157; contains blocks -1408,0,-2512 to -1393,255,-2497), Region: (-3,-5; contains chunks -96,-160 to -65,-129, blocks -1536,0,-2560 to -1025,255,-2049)
	Level time: 3130064 game time, 16000 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: adventure (ID 2). Hardcore: false. Cheats: false
	Forced entities: 48 total; [wi['Creeper'/263723, l='MpServer', x=-1572.50, y=64.00, z=-1926.50], wi['Creeper'/270750, l='MpServer', x=-1461.50, y=64.00, z=-1961.50], wi['Creeper'/270751, l='MpServer', x=-1465.50, y=64.00, z=-1966.50], wi['Creeper'/263724, l='MpServer', x=-1572.50, y=64.00, z=-1927.50], bkv['affrodo'/276873, l='MpServer', x=-1532.38, y=64.00, z=-1992.72], wz['Zombie'/234301, l='MpServer', x=-1523.06, y=64.00, z=-1996.53], ww['Spider'/242404, l='MpServer', x=-1548.00, y=64.00, z=-1921.72], wz['Zombie'/240108, l='MpServer', x=-1524.23, y=64.00, z=-2004.30], wz['Zombie'/244475, l='MpServer', x=-1569.50, y=64.00, z=-1944.50], biw['Snakecatcher121'/225731, l='MpServer', x=-1532.25, y=65.62, z=-1992.70], wu['Skeleton'/225749, l='MpServer', x=-1586.59, y=64.00, z=-1948.16], wz['Zombie'/279867, l='MpServer', x=-1531.50, y=64.00, z=-1990.69], wz['Zombie'/261639, l='MpServer', x=-1550.84, y=64.00, z=-2007.32], wu['Skeleton'/266561, l='MpServer', x=-1560.50, y=64.00, z=-1922.50], wu['Skeleton'/270760, l='MpServer', x=-1464.50, y=64.00, z=-1957.50], wi['Creeper'/225776, l='MpServer', x=-1498.50, y=64.00, z=-1936.50], wz['Zombie'/270755, l='MpServer', x=-1458.50, y=64.00, z=-1957.50], wi['Creeper'/276971, l='MpServer', x=-1611.50, y=64.00, z=-1973.50], wz['Zombie'/273250, l='MpServer', x=-1551.68, y=64.00, z=-2008.10], wi['Creeper'/276972, l='MpServer', x=-1608.50, y=64.00, z=-1969.50], wz['Zombie'/230107, l='MpServer', x=-1551.69, y=64.00, z=-2005.81], wz['Zombie'/276603, l='MpServer', x=-1523.79, y=64.00, z=-2005.20], wi['Creeper'/252383, l='MpServer', x=-1535.50, y=64.00, z=-1929.50], bkv['affrodo'/227888, l='MpServer', x=-1532.38, y=64.00, z=-1992.69], wz['Zombie'/251164, l='MpServer', x=-1550.91, y=64.00, z=-2006.40], wz['Zombie'/225958, l='MpServer', x=-1545.57, y=64.00, z=-1996.88], wz['Zombie'/255085, l='MpServer', x=-1551.69, y=64.00, z=-2007.28], wu['Skeleton'/276940, l='MpServer', x=-1581.50, y=64.00, z=-1917.50], wz['Zombie'/273586, l='MpServer', x=-1550.77, y=64.00, z=-2008.14], wu['Skeleton'/276943, l='MpServer', x=-1577.50, y=64.00, z=-1918.50], wz['Zombie'/247053, l='MpServer', x=-1542.81, y=64.00, z=-1997.53], wu['Skeleton'/272866, l='MpServer', x=-1611.84, y=64.00, z=-1956.47], wu['Skeleton'/230001, l='MpServer', x=-1602.28, y=64.00, z=-1914.72], wu['Skeleton'/230002, l='MpServer', x=-1598.50, y=64.00, z=-1920.50], wz['Zombie'/256138, l='MpServer', x=-1522.03, y=64.00, z=-1996.66], wz['Zombie'/281472, l='MpServer', x=-1551.68, y=64.00, z=-2009.02], xe['Tailor'/225724, l='MpServer', x=-1533.63, y=64.00, z=-1994.56], wz['Zombie'/246654, l='MpServer', x=-1551.69, y=64.00, z=-2006.45], vv['entity.MinecartChest.name'/225725, l='MpServer', x=-1523.50, y=64.50, z=-1998.50], wz['Zombie'/260635, l='MpServer', x=-1542.00, y=64.00, z=-1997.53], wz['Zombie'/230391, l='MpServer', x=-1522.49, y=64.00, z=-2004.30], wu['Skeleton'/225797, l='MpServer', x=-1454.50, y=64.00, z=-2054.50], xe['Librarian'/225721, l='MpServer', x=-1560.38, y=64.00, z=-2005.64], xe['Baker'/225722, l='MpServer', x=-1542.41, y=65.00, z=-1995.22], xe['DMV Representative'/225723, l='MpServer', x=-1525.50, y=64.00, z=-2000.06], wz['Zombie'/240185, l='MpServer', x=-1544.51, y=64.00, z=-1997.66], wz['Zombie'/233379, l='MpServer', x=-1521.06, y=64.00, z=-2020.50], wz['Zombie'/252023, l='MpServer', x=-1543.51, y=64.00, z=-1997.65]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bir.a(SourceFile:284)
	at ayw.b(SourceFile:1938)
	at ayw.e(SourceFile:715)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w42b
	Operating System: Mac OS X (x86_64) version 10.7.5
	Java Version: 1.6.0_51, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 219786352 bytes (209 MB) / 797958144 bytes (760 MB) up to 1065025536 bytes (1015 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 10266 (574896 bytes; 0 MB) allocated, 3 (168 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 13w42b
	LWJGL: 2.9.1
	OpenGL: Intel HD Graphics 3000 OpenGL Engine GL version 2.1 APPLE-7.32.12, Intel 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: 998 (55888 bytes; 0 MB) allocated, 29 (1624 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)