Crash

--- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 07/12/13 19:52
Description: Unexpected error

java.lang.IllegalStateException: Player is either on another team or not on any team. Cannot remove from team 'hbr0'.
	at ayr.a(SourceFile:206)
	at biv.a(SourceFile:1129)
	at hr.a(SourceFile:99)
	at hr.a(SourceFile:13)
	at ef.a(SourceFile:164)
	at biy.e(SourceFile:212)
	at azd.o(SourceFile:1281)
	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 ayr.a(SourceFile:206)
	at biv.a(SourceFile:1129)
	at hr.a(SourceFile:99)
	at hr.a(SourceFile:13)
	at ef.a(SourceFile:164)
	at biy.e(SourceFile:212)

-- Affected level --
Details:
	Level name: MpServer
	All players: 2 total; [bje['scottie2020'/13572, l='MpServer', x=5359.31, y=85.48, z=444.55], bld['pur3asash'/13408, l='MpServer', x=5386.58, y=69.91, z=435.70]]
	Chunk stats: MultiplayerChunkCache: 441, 441
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (556,5,72), Chunk: (at 12,0,8 in 34,4; contains blocks 544,0,64 to 559,255,79), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
	Level time: 553969 game time, 636755 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: 16 total; [bje['scottie2020'/13572, l='MpServer', x=5359.31, y=85.48, z=444.55], wm['Enderman'/13422, l='MpServer', x=5340.75, y=18.00, z=428.31], uq['Bat'/14175, l='MpServer', x=5351.76, y=16.43, z=427.58], uq['Bat'/14027, l='MpServer', x=5354.34, y=16.10, z=415.75], bld['pur3asash'/13408, l='MpServer', x=5386.58, y=69.91, z=435.70], wl['Creeper'/13557, l='MpServer', x=5347.50, y=18.00, z=429.50], uq['Bat'/14033, l='MpServer', x=5391.25, y=24.10, z=407.75], wy['Slime'/13803, l='MpServer', x=5358.48, y=12.00, z=433.80], bld['pur3asash'/13408, l='MpServer', x=5386.58, y=69.91, z=435.70], wl['Creeper'/13933, l='MpServer', x=5380.03, y=63.00, z=449.53], xc['Zombie'/14057, l='MpServer', x=5385.84, y=49.00, z=469.28], xc['Zombie'/13924, l='MpServer', x=5396.47, y=63.00, z=436.16], wl['Creeper'/13786, l='MpServer', x=5327.50, y=29.00, z=464.50], bld['pur3asash'/13408, l='MpServer', x=5367.97, y=69.34, z=493.78], wl['Creeper'/14189, l='MpServer', x=5397.50, y=39.00, z=403.50], wl['Creeper'/14188, l='MpServer', x=5400.50, y=39.00, z=405.50]]
	Retry entities: 0 total; []
	Server brand: craftbukkit
	Server type: Non-integrated multiplayer server
Stacktrace:
	at biz.a(SourceFile:284)
	at azd.b(SourceFile:1951)
	at azd.e(SourceFile:718)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 1.7.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 71686872 bytes (68 MB) / 271196160 bytes (258 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 1414 (79184 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 M880G with ATI Mobility Radeon HD 4250                GL version 3.3.10179 Compatibility Profile Context, ATI T