java.lang.ClassCastException: zk cannot be cast to bdt
	at bdr.a(SourceFile:176)
	at bdd.b(SourceFile:423)
	at bdr.b(SourceFile:413)
	at bcd.d(SourceFile:240)
	at bdr.d(SourceFile:490)
	at bcd.k(SourceFile:211)

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 25.10.13 13:19
Description: Updating screen events

java.lang.ClassCastException: zk cannot be cast to bdt
	at bdr.a(SourceFile:176)
	at bdd.b(SourceFile:423)
	at bdr.b(SourceFile:413)
	at bcd.d(SourceFile:240)
	at bdr.d(SourceFile:490)
	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 bdr.a(SourceFile:176)
	at bdd.b(SourceFile:423)
	at bdr.b(SourceFile:413)
	at bcd.d(SourceFile:240)
	at bdr.d(SourceFile:490)
	at bcd.k(SourceFile:211)

-- Affected screen --
Details:
	Screen name: bdr

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bje['krzys_w'/186, l='MpServer', x=63,44, y=84,03, z=-11,50]]
	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: (-132,64,248), Chunk: (at 12,4,8 in -9,15; contains blocks -144,0,240 to -129,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 201282 game time, 212126 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: 72 total; [wl['Creeper'/1913, l='MpServer', x=64,50, y=55,00, z=-88,50], wl['Creeper'/1912, l='MpServer', x=62,31, y=55,00, z=-88,31], vb['Owca'/274, l='MpServer', x=57,72, y=65,00, z=-23,84], wl['Creeper'/548, l='MpServer', x=76,28, y=64,00, z=-2,13], vb['Owca'/273, l='MpServer', x=87,06, y=64,00, z=-29,88], vb['Owca'/272, l='MpServer', x=65,25, y=64,00, z=-64,63], wl['Creeper'/546, l='MpServer', x=64,34, y=63,00, z=-10,53], wl['Creeper'/1918, l='MpServer', x=102,50, y=73,00, z=-44,50], vb['Owca'/276, l='MpServer', x=86,03, y=64,00, z=-36,91], wl['Creeper'/1910, l='MpServer', x=63,22, y=55,00, z=-89,28], vb['Owca'/259, l='MpServer', x=41,06, y=64,00, z=-76,09], vb['Owca'/256, l='MpServer', x=23,81, y=64,00, z=-47,19], wm['Enderman'/2021, l='MpServer', x=133,50, y=30,00, z=-3,50], wx['Szkielet'/262, l='MpServer', x=36,50, y=64,00, z=-32,50], wx['Szkielet'/2020, l='MpServer', x=132,50, y=63,00, z=-56,50], xc['Zombie'/1783, l='MpServer', x=23,50, y=63,00, z=2,50], vb['Owca'/266, l='MpServer', x=50,97, y=64,00, z=-86,91], uq['Nietoperz'/695, l='MpServer', x=29,59, y=43,00, z=-69,25], vb['Owca'/267, l='MpServer', x=53,16, y=61,00, z=-77,47], uq['Nietoperz'/1649, l='MpServer', x=121,22, y=30,87, z=20,69], vb['Owca'/270, l='MpServer', x=79,06, y=63,00, z=-82,03], vb['Owca'/271, l='MpServer', x=69,84, y=63,00, z=-78,16], vb['Owca'/268, l='MpServer', x=57,66, y=61,00, z=-78,56], vb['Owca'/269, l='MpServer', x=48,06, y=61,00, z=-71,13], xc['Zombie'/305, l='MpServer', x=17,50, y=63,00, z=-25,50], uq['Nietoperz'/1609, l='MpServer', x=72,28, y=46,00, z=17,75], uq['Nietoperz'/1254, l='MpServer', x=74,50, y=48,10, z=21,25], uq['Nietoperz'/1610, l='MpServer', x=74,75, y=46,02, z=28,28], uq['Nietoperz'/1252, l='MpServer', x=71,75, y=47,00, z=25,75], xc['Zombie'/1535, l='MpServer', x=124,88, y=61,82, z=-49,56], ve['Kałamarnica'/318, l='MpServer', x=47,50, y=61,00, z=54,94], vb['Owca'/187, l='MpServer', x=46,73, y=65,00, z=1,25], xc['Zombie'/2356, l='MpServer', x=31,50, y=64,00, z=-69,50], wl['Creeper'/2358, l='MpServer', x=31,50, y=64,00, z=-71,50], wl['Creeper'/2365, l='MpServer', x=116,50, y=63,00, z=-69,50], xc['Zombie'/2364, l='MpServer', x=113,50, y=63,00, z=-74,50], xc['Zombie'/474, l='MpServer', x=15,50, y=69,00, z=-75,50], xc['Zombie'/739, l='MpServer', x=121,47, y=32,00, z=13,75], xc['Zombie'/740, l='MpServer', x=85,84, y=13,50, z=-3,47], ve['Kałamarnica'/327, l='MpServer', x=115,47, y=60,00, z=52,78], uq['Nietoperz'/1714, l='MpServer', x=83,38, y=27,10, z=29,28], uq['Nietoperz'/1713, l='MpServer', x=86,91, y=27,10, z=31,50], xc['Zombie'/1587, l='MpServer', x=110,50, y=70,00, z=-41,50], wl['Creeper'/1584, l='MpServer', x=82,50, y=64,00, z=-52,50], xc['Zombie'/1669, l='MpServer', x=77,50, y=46,00, z=24,50], xc['Zombie'/1668, l='MpServer', x=75,50, y=46,00, z=21,50], wl['Creeper'/1820, l='MpServer', x=16,00, y=63,00, z=-25,56], wl['Creeper'/1190, l='MpServer', x=63,50, y=20,00, z=-82,50], rc['Kula doświadczenia'/234, l='MpServer', x=-24,31, y=74,25, z=-75,81], wl['Creeper'/368, l='MpServer', x=126,50, y=23,00, z=0,50], wl['Creeper'/1667, l='MpServer', x=77,50, y=46,00, z=20,50], wl['Creeper'/1666, l='MpServer', x=78,50, y=46,00, z=19,50], xc['Zombie'/1193, l='MpServer', x=66,50, y=20,00, z=-82,50], xc['Zombie'/1192, l='MpServer', x=66,50, y=20,00, z=-81,50], wx['Szkielet'/2291, l='MpServer', x=-15,50, y=74,00, z=-84,50], wl['Creeper'/1538, l='MpServer', x=126,75, y=63,00, z=-53,94], rc['Kula doświadczenia'/254, l='MpServer', x=27,84, y=69,25, z=-62,41], vb['Owca'/255, l='MpServer', x=17,94, y=68,00, z=-46,50], rc['Kula doświadczenia'/252, l='MpServer', x=31,63, y=68,25, z=-63,94], rc['Kula doświadczenia'/253, l='MpServer', x=28,66, y=69,25, z=-57,78], wl['Creeper'/489, l='MpServer', x=121,72, y=22,00, z=-25,03], wl['Creeper'/488, l='MpServer', x=133,50, y=20,00, z=-15,50], vb['Owca'/251, l='MpServer', x=28,34, y=58,00, z=-76,47], wx['Szkielet'/491, l='MpServer', x=63,50, y=63,00, z=-81,50], vb['Owca'/248, l='MpServer', x=9,22, y=64,00, z=-24,50], vb['Owca'/246, l='MpServer', x=7,94, y=78,00, z=-49,16], wl['Creeper'/2278, l='MpServer', x=104,50, y=17,00, z=-4,50], vb['Owca'/247, l='MpServer', x=3,28, y=69,00, z=-41,50], vb['Owca'/244, l='MpServer', x=13,44, y=70,00, z=-72,66], wl['Creeper'/2276, l='MpServer', x=140,50, y=68,00, z=-68,50], vb['Owca'/245, l='MpServer', x=5,47, y=73,00, z=-62,88], bje['krzys_w'/186, l='MpServer', x=63,44, y=84,03, z=-11,50]]
	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 7 (x86) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 111358720 bytes (106 MB) / 286154752 bytes (272 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 12332 (690592 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: AMD Radeon HD 6290 Graphics GL version 4.2.11399 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Polski (Polska)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 7631 (427336 bytes; 0 MB) allocated, 22 (1232 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)