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I join this one server and I crash with this error message:

--- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 02/02/14 6:41 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at bjw.a(SourceFile:501)
at fq.a(SourceFile:97)
at fq.a(SourceFile:15)
at ef.a(SourceFile:164)
at bjz.e(SourceFile:212)
at azi.p(SourceFile:1286)
at azi.ah(SourceFile:760)
at azi.f(SourceFile:711)
at net.minecraft.client.main.Main.main(SourceFile:152)


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

-- Head --
Stacktrace:
at bjw.a(SourceFile:501)
at fq.a(SourceFile:97)
at fq.a(SourceFile:15)
at ef.a(SourceFile:164)
at bjz.e(SourceFile:212)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [bkf['matheric'/1419, l='MpServer', x=-1007.20, y=76.96, z=834.90]]
Chunk stats: MultiplayerChunkCache: 225, 225
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (-343,69,186), Chunk: (at 9,4,10 in -22,11; contains blocks -352,0,176 to -337,255,191), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 15637371938 game time, 7488000 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: 3 total; [uv['[11] Bird'/407858, l='MpServer', x=-981.00, y=69.10, z=762.00], xh['[17] Barbarian'/407914, l='MpServer', x=-945.00, y=66.00, z=858.00], bkf['matheric'/1419, l='MpServer', x=-1007.20, y=76.96, z=834.90]]
Retry entities: 0 total; []
Server brand: CraftBukkit
Server type: Non-integrated multiplayer server
Stacktrace:
at bka.a(SourceFile:289)
at azi.b(SourceFile:1952)
at azi.f(SourceFile:725)
at net.minecraft.client.main.Main.main(SourceFile:152)

-- System Details --
Details:
Minecraft Version: 1.7.4
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.7.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 73569856 bytes (70 MB) / 158662656 bytes (151 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
AABB Pool Size: 104560 (5855360 bytes; 5 MB) allocated, 2 (112 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 1.7.4
LWJGL: 2.9.1
OpenGL: AMD Radeon HD 7660D GL version 4.2.12420 Compatibility Profile Context 13.151.0.0, ATI Technologies Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

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: 51 (2856 bytes; 0 MB) allocated, 14 (784 bytes; 0 MB) used
Anisotropic Filtering: Off (1)