java.lang.IllegalStateException: Already tesselating!
	at bfn.b(SourceFile:171)
	at bfn.b(SourceFile:166)
	at bex.a(SourceFile:143)
	at bfi.a(SourceFile:1150)
	at bfb.a(SourceFile:814)

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 2-8-13 12:22
Description: Unexpected error

java.lang.IllegalStateException: Already tesselating!
	at bfn.b(SourceFile:171)
	at bfn.b(SourceFile:166)
	at bex.a(SourceFile:143)
	at bfi.a(SourceFile:1150)
	at bfb.a(SourceFile:814)
	at bfb.b(SourceFile:695)
	at ats.S(SourceFile:686)
	at ats.d(SourceFile:619)
	at net.minecraft.client.main.Main.main(SourceFile:101)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at bfn.b(SourceFile:171)
	at bfn.b(SourceFile:166)
	at bex.a(SourceFile:143)
	at bfi.a(SourceFile:1150)
	at bfb.a(SourceFile:814)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bdf['Jish312'/1837026, l='MpServer', x=19922,45, y=51,12, z=19970,27]]
	Chunk stats: MultiplayerChunkCache: 75
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (38,64,286), Chunk: (at 6,4,14 in 2,17; contains blocks 32,0,272 to 47,255,287), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 2216132 game time, 21798 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: 99 total; [tq['Skeleton'/1837134, l='MpServer', x=19879,50, y=16,00, z=19923,50], tq['Skeleton'/1837135, l='MpServer', x=19876,50, y=16,00, z=19928,50], sb['Squid'/1837132, l='MpServer', x=19887,47, y=58,38, z=19913,81], tv['Zombie'/1837133, l='MpServer', x=19875,50, y=18,00, z=19935,50], sb['Squid'/1837120, l='MpServer', x=19864,66, y=46,72, z=20002,59], sb['Squid'/1837147, l='MpServer', x=19883,78, y=55,34, z=19980,84], sb['Squid'/1837146, l='MpServer', x=19872,59, y=46,31, z=19968,56], rn['Bat'/1837145, l='MpServer', x=19877,66, y=19,00, z=19970,34], sb['Squid'/1837144, l='MpServer', x=19887,09, y=55,21, z=19967,45], sb['Squid'/1837150, l='MpServer', x=19880,19, y=51,31, z=20000,78], sb['Squid'/1837149, l='MpServer', x=19880,03, y=51,38, z=19996,56], sb['Squid'/1837148, l='MpServer', x=19882,50, y=52,09, z=19998,84], sb['Squid'/1837139, l='MpServer', x=19878,69, y=44,09, z=19939,78], tv['Zombie'/1837138, l='MpServer', x=19874,84, y=18,00, z=19939,44], sb['Squid'/1837137, l='MpServer', x=19878,16, y=44,09, z=19933,75], sb['Squid'/1837136, l='MpServer', x=19881,69, y=44,00, z=19926,95], ts['Spider'/1837143, l='MpServer', x=19873,50, y=16,00, z=19952,50], tv['Zombie'/1837142, l='MpServer', x=19879,50, y=21,00, z=19954,50], tv['Zombie'/1837141, l='MpServer', x=19879,50, y=21,00, z=19952,50], tv['Zombie'/1837140, l='MpServer', x=19878,50, y=21,00, z=19953,50], te['Creeper'/1837164, l='MpServer', x=19900,50, y=17,00, z=19904,50], sb['Squid'/1837167, l='MpServer', x=19895,31, y=54,75, z=19917,19], sb['Squid'/1837177, l='MpServer', x=19891,19, y=57,16, z=19962,91], sb['Squid'/1837176, l='MpServer', x=19890,06, y=57,28, z=19964,41], sb['Squid'/1837179, l='MpServer', x=19890,06, y=54,38, z=19991,34], sb['Squid'/1837178, l='MpServer', x=19888,97, y=55,28, z=19990,13], sb['Squid'/1837181, l='MpServer', x=19902,25, y=54,16, z=20018,06], sb['Squid'/1837180, l='MpServer', x=19902,97, y=56,00, z=20027,69], tq['Skeleton'/1837169, l='MpServer', x=19894,50, y=22,00, z=19943,50], sb['Squid'/1837168, l='MpServer', x=19891,81, y=58,34, z=19918,72], te['Creeper'/1837171, l='MpServer', x=19900,50, y=22,00, z=19950,50], tq['Skeleton'/1837170, l='MpServer', x=19894,50, y=22,00, z=19944,50], tq['Skeleton'/1837173, l='MpServer', x=19898,50, y=22,00, z=19948,50], tq['Skeleton'/1837172, l='MpServer', x=19896,50, y=22,00, z=19948,50], sb['Squid'/1837175, l='MpServer', x=19903,88, y=50,22, z=19936,81], tq['Skeleton'/1837174, l='MpServer', x=19900,50, y=22,00, z=19943,50], bdf['Jish312'/1837026, l='MpServer', x=19922,45, y=51,12, z=19970,27], tv['Zombie'/1837101, l='MpServer', x=19870,50, y=18,00, z=19945,50], te['Creeper'/1837102, l='MpServer', x=19869,50, y=18,00, z=19950,50], te['Creeper'/1837103, l='MpServer', x=19868,50, y=28,00, z=19948,50], sb['Squid'/1837096, l='MpServer', x=19868,19, y=51,72, z=19915,97], tq['Skeleton'/1837097, l='MpServer', x=19857,50, y=12,00, z=19929,50], tq['Skeleton'/1837098, l='MpServer', x=19857,50, y=12,00, z=19930,50], sb['Squid'/1837099, l='MpServer', x=19870,75, y=47,40, z=19933,88], sb['Squid'/1837095, l='MpServer', x=19870,13, y=53,38, z=19914,25], sb['Squid'/1837117, l='MpServer', x=19863,94, y=46,78, z=19985,59], sb['Squid'/1837116, l='MpServer', x=19866,25, y=44,31, z=19968,88], sb['Squid'/1837119, l='MpServer', x=19860,97, y=47,66, z=20014,47], sb['Squid'/1837118, l='MpServer', x=19864,84, y=46,38, z=19993,09], sb['Squid'/1837112, l='MpServer', x=19859,59, y=48,25, z=19958,81], rn['Bat'/1837115, l='MpServer', x=19861,25, y=19,45, z=19970,25], ts['Spider'/1837114, l='MpServer', x=19867,28, y=16,59, z=19969,63], rn['Bat'/1837109, l='MpServer', x=19862,44, y=18,10, z=19966,75], tq['Skeleton'/1837108, l='MpServer', x=19862,50, y=17,00, z=19964,50], sb['Squid'/1837111, l='MpServer', x=19868,19, y=46,78, z=19963,74], sb['Squid'/1837110, l='MpServer', x=19863,41, y=46,31, z=19966,16], tq['Skeleton'/1837105, l='MpServer', x=19869,50, y=21,00, z=19938,50], rn['Bat'/1837104, l='MpServer', x=19863,25, y=22,10, z=19938,44], tv['Zombie'/1837107, l='MpServer', x=19862,50, y=17,00, z=19965,50], rn['Bat'/1837106, l='MpServer', x=19860,15, y=29,67, z=19953,93], sb['Squid'/1837255, l='MpServer', x=19952,59, y=51,81, z=19920,59], sb['Squid'/1837254, l='MpServer', x=19955,50, y=53,31, z=19922,06], sb['Squid'/1837258, l='MpServer', x=19957,69, y=52,72, z=19948,50], sb['Squid'/1837257, l='MpServer', x=19956,40, y=53,51, z=19939,32], sb['Squid'/1837256, l='MpServer', x=19952,47, y=55,38, z=19936,88], sb['Squid'/1837266, l='MpServer', x=19971,16, y=51,09, z=19932,84], sb['Squid'/1837267, l='MpServer', x=19981,29, y=48,14, z=19943,80], sb['Squid'/1837265, l='MpServer', x=19977,03, y=51,38, z=19932,06], sb['Squid'/1837270, l='MpServer', x=19976,28, y=52,88, z=20010,91], sb['Squid'/1837271, l='MpServer', x=19982,63, y=57,38, z=20008,78], sb['Squid'/1837268, l='MpServer', x=19978,50, y=51,34, z=19936,59], sb['Squid'/1837269, l='MpServer', x=19974,22, y=56,03, z=20013,69], sb['Squid'/1837272, l='MpServer', x=19982,37, y=55,75, z=20020,83], tq['Skeleton'/1837283, l='MpServer', x=19997,50, y=37,00, z=20014,50], te['Creeper'/1837285, l='MpServer', x=19996,50, y=26,00, z=20029,50], te['Creeper'/1837284, l='MpServer', x=19997,50, y=26,00, z=20031,50], tq['Skeleton'/1837286, l='MpServer', x=19997,50, y=37,00, z=20029,50], sb['Squid'/1837199, l='MpServer', x=19906,94, y=50,06, z=19939,09], sr['item.tile.notGate'/1837198, l='MpServer', x=19909,72, y=45,13, z=19939,03], te['Creeper'/1837197, l='MpServer', x=19906,50, y=22,00, z=19949,50], tq['Skeleton'/1837196, l='MpServer', x=19912,50, y=8,00, z=19951,50], tv['Zombie'/1837195, l='MpServer', x=19918,50, y=8,00, z=19951,50], sr['item.item.compass'/1837194, l='MpServer', x=19915,66, y=45,13, z=19934,72], sb['Squid'/1837202, l='MpServer', x=19904,59, y=56,22, z=20017,34], sb['Squid'/1837200, l='MpServer', x=19917,16, y=43,28, z=19968,09], sb['Squid'/1837201, l='MpServer', x=19908,50, y=47,28, z=20030,78], sb['Squid'/1837221, l='MpServer', x=19921,87, y=48,11, z=19936,68], tv['Zombie'/1837220, l='MpServer', x=19920,50, y=8,00, z=19946,50], sr['item.tile.stonebricksmooth.default'/1837223, l='MpServer', x=19933,31, y=44,13, z=19958,13], sr['item.item.compass'/1837222, l='MpServer', x=19932,25, y=44,13, z=19958,13], sr['item.tile.button'/1837217, l='MpServer', x=19923,13, y=46,13, z=19932,84], sr['item.item.redstone'/1837216, l='MpServer', x=19927,44, y=47,13, z=19935,31], tv['Zombie'/1837219, l='MpServer', x=19921,50, y=8,00, z=19949,50], sr['item.item.sign'/1837218, l='MpServer', x=19921,06, y=46,13, z=19928,97], sb['Squid'/1837236, l='MpServer', x=19938,92, y=52,43, z=20001,41], sb['Squid'/1837237, l='MpServer', x=19937,59, y=55,34, z=20005,53], sr['item.item.redstone'/1837233, l='MpServer', x=19941,25, y=44,13, z=19960,94], sb['Squid'/1837234, l='MpServer', x=19939,22, y=52,88, z=20011,59], sb['Squid'/1837235, l='MpServer', x=19941,56, y=55,38, z=20006,28]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bda.a(SourceFile:284)
	at ats.b(SourceFile:1761)
	at ats.d(SourceFile:633)
	at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
	Minecraft Version: 1.6.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_17, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 5573072 bytes (5 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 2 (112 bytes; 0 MB) allocated, 2 (112 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	Launched Version: 1.6.2
	LWJGL: 2.9.0
	OpenGL: AMD Radeon HD 7610M GL version 4.2.11411 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Pack: Default
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 29 (1624 bytes; 0 MB) allocated, 29 (1624 bytes; 0 MB) used