Crash-command block-effect 1 (speed)

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

Minecraft has stopped running because it encountered a problem; Ticking mob effect instance

A full error report has been saved to C:\Users\OSKAR\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-02_13.44.22-server.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 5fed8ebf --------
Full report at:
C:\Users\OSKAR\AppData\Roaming\.minecraft\crash-reports\crash-2013-06-02_13.44.22-server.txt
Please show that file to Mojang, NOT just this screen!

Generated 02.06.13 13:44

-- Head --
Stacktrace:
	at ml.a(SourceFile:89)

-- Mob effect being ticked --
Details:
	Effect Name: ~~ERROR~~ ArrayIndexOutOfBoundsException: -1
	Effect ID: -1
	Effect Duration: 20
	Effect Amplifier: 1
	Effect is Splash: false
	Effect is Ambient: false
Stacktrace:
	at ng.bA(SourceFile:1572)
	at ng.x(SourceFile:413)
	at mp.l_(SourceFile:277)
	at ng.l_(SourceFile:528)
	at sq.l_(SourceFile:203)

-- Player being ticked --
Details:
	Entity Type: null (jc)
	Entity ID: 195
	Entity Name: sdaa
	Entity's Exact location: 348,43, 4,00, 426,77
	Entity's Block location: World: (348,4,426), Chunk: (at 12,0,10 in 21,26; contains blocks 336,0,416 to 351,255,431), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0,00, -0,08, 0,00
Stacktrace:
	at jc.g(EntityPlayerMP.java:364)
	at jh.a(SourceFile:202)
	at ee.a(SourceFile:136)
	at ch.b(SourceFile:59)
	at jh.d(SourceFile:60)
	at jk.b(SourceFile:35)
	at bjj.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:480)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bjg.q(SourceFile:122)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 352716552 bytes (336 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 313 (17528 bytes; 0 MB) allocated, 301 (16856 bytes; 0 MB) used
	Suspicious classes: $Proxy1[com.sijobe.spc.command.StandardCommand, Achievement, Ascend, ...], [com.sijobe.spc.core.HookManager, IHook, IPlayerMP, ...], [com.sijobe.spc.hooks.CheckUpdates, InitialiseCommands, TestPlayerMP], [com.sijobe.spc.overwrite.ONetServerHandler], [com.sijobe.spc.updater.UpdateCallback, CheckVersion, ModVersion], [com.sijobe.spc.util.DynamicClassLoader, KeyListener, CommandBlockHelper, ...], [com.sijobe.spc.validation.Parameter, ParameterBoolean, ParameterDouble, ...], [com.sijobe.spc.worldedit.LocalPlayer, LocalWorld, MinecraftBiomeType, ...], [com.sijobe.spc.wrapper.Player, Minecraft, CommandBase, ...], [com.sk89q.worldedit.LocalPlayer, LocalWorld, BiomeType, ...], [com.sk89q.worldedit.foundation.World], [com.sk89q.worldedit.util.PropertiesConfiguration]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 37 (2072 bytes; 0 MB) allocated, 37 (2072 bytes; 0 MB) used
	Player Count: 1 / 8; [jc['sdaa'/195, l='Bomberman!!!!!!!!!!!', x=348,43, y=4,00, z=426,77]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated

java.lang.ArrayIndexOutOfBoundsException: -1
	at ml.a(SourceFile:89)
	at ng.bA(SourceFile:1572)
	at ng.x(SourceFile:413)
	at mp.l_(SourceFile:277)
	at ng.l_(SourceFile:528)
	at sq.l_(SourceFile:203)
	at jc.g(EntityPlayerMP.java:364)
	at jh.a(SourceFile:202)
	at ee.a(SourceFile:136)
	at ch.b(SourceFile:59)
	at jh.d(SourceFile:60)
	at jk.b(SourceFile:35)
	at bjj.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:480)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bjg.q(SourceFile:122)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:573)
--- END ERROR REPORT c122b3c8 ----------