ticking screen multiplayer

Minecraft has crashed!
----------------------

Minecraft has stopped running because it encountered a problem; Ticking screen

A full error report has been saved to /Users/Holly/Library/Application Support/minecraft/crash-reports/crash-2013-05-15_08.33.19-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash 😞

— BEGIN ERROR REPORT 1f9ef232 --------
Full report at:
/Users/Holly/Library/Application Support/minecraft/crash-reports/crash-2013-05-15_08.33.19-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 5/15/13 8:33 AM

– Head –
Stacktrace:
at bdk.a(SourceFile:983)
at en.a(SourceFile:37)
at ci.b(SourceFile:350)
at bdk.d(SourceFile:95)
at bdn.c(SourceFile:73)

– Affected screen –
Details:
Screen name: bdx

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bdv['speedyguy56'/248055, l='MpServer', x=8.50, y=66.62, z=8.50]]
Chunk stats: MultiplayerChunkCache: 0
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (556,64,696), Chunk: (at 12,4,8 in 34,43; contains blocks 544,0,688 to 559,255,703), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
Level time: 227905005 game time, 263696322 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: 1 total; [bdv['speedyguy56'/248055, l='MpServer', x=8.50, y=66.62, z=8.50]]
Retry entities: 0 total; []
Stacktrace:
at bds.a(SourceFile:282)
at net.minecraft.client.Minecraft.b(SourceFile:1881)
at net.minecraft.client.Minecraft.run(SourceFile:535)
at java.lang.Thread.run(Thread.java:680)

– System Details –
Details:
Minecraft Version: 1.5.2
Operating System: Mac OS X (x86_64) version 10.6.8
Java Version: 1.6.0_45, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 541527984 bytes (516 MB) / 581435392 bytes (554 MB) up to 1065025536 bytes (1015 MB)
JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
AABB Pool Size: 10817 (605752 bytes; 0 MB) allocated, 10817 (605752 bytes; 0 MB) used
Suspicious classes: [com.sijobe.spc.core.HookManager]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
LWJGL: 2.4.2
OpenGL: Intel HD Graphics 3000 OpenGL Engine GL version 2.1 APPLE-1.6.42, Intel Inc.
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Texture Pack: Default
Profiler Position: N/A (disabled)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

java.lang.NoSuchMethodError: bdw.<init>(Ljava/lang/String;)V
at bdk.a(SourceFile:983)
at en.a(SourceFile:37)
at ci.b(SourceFile:350)
at bdk.d(SourceFile:95)
at bdn.c(SourceFile:73)
at net.minecraft.client.Minecraft.l(SourceFile:1105)
at net.minecraft.client.Minecraft.K(SourceFile:574)
at net.minecraft.client.Minecraft.run(SourceFile:526)
at java.lang.Thread.run(Thread.java:680)
— END ERROR REPORT 1a1cdb75 ----------