Minecraft WorldEdit Client Crash

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

Minecraft has stopped running because it encountered a problem; Exception ticking world

A full error report has been saved to C:\Users\Niels\AppData\Roaming\.minecraft\crash-reports\crash-2013-05-13_17.03.01-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 aeeb550a --------
Full report at:
C:\Users\Niels\AppData\Roaming\.minecraft\crash-reports\crash-2013-05-13_17.03.01-server.txt
Please show that file to Mojang, NOT just this screen!

Generated 13-05-13 17:03

-- Head --
Stacktrace:
	at iz.a(SourceFile:403)
	at iz.b(SourceFile:142)

-- Affected level --
Details:
	Level name: The Desert of lost hopes
	All players: 1 total; [jc['Player102'/0, l='The Desert of lost hopes', x=57,59, y=96,37, z=356,65]]
	Chunk stats: ServerChunkCache: 994 Drop: 0
	Level seed: 141107
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options:
	Level spawn location: World: (0,70,0), Chunk: (at 0,4,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 225196 game time, 3176 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 91527 (now: false), thunder time: 31104 (now: true)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	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 (amd64) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 85977496 bytes (81 MB) / 309329920 bytes (295 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 1 total; -Xmx1024m
	AABB Pool Size: 2886 (161616 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: $Proxy1, $Proxy2, $Proxy3, ...[com.sijobe.installer.ActionHandler, FooterLink, GuiMain$1, ...], [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.sijobe.swing.JHyperLink], [com.sk89q.minecraft.util.commands.CommandsManager, Injector, CommandException, ...], [com.sk89q.util.StringUtil], [com.sk89q.worldedit.LocalPlayer, LocalWorld, BiomeType, ...], [com.sk89q.worldedit.bags.BlockBagException, UnplaceableBlockException], [com.sk89q.worldedit.blocks.TileEntityBlock, BaseBlock, SignBlock, ...], [com.sk89q.worldedit.commands.InsufficientArgumentsException, BiomeCommands, ChunkCommands, ...], [com.sk89q.worldedit.cui.CUIEvent, CUIRegion], [com.sk89q.worldedit.data.DataException, ChunkStoreException, MissingWorldException], [com.sk89q.worldedit.expression.ExpressionException], [com.sk89q.worldedit.filtering.GaussianKernel], [com.sk89q.worldedit.foundation.World, NbtValued, Block], [com.sk89q.worldedit.masks.Mask], [com.sk89q.worldedit.patterns.Pattern, SingleBlockPattern], [com.sk89q.worldedit.regions.RegionSelector, RegionOperationException, CuboidRegionSelector, ...], [com.sk89q.worldedit.scripting.CraftScriptEngine], [com.sk89q.worldedit.snapshots.InvalidSnapshotException], [com.sk89q.worldedit.tools.Tool, BlockTool, SinglePickaxe, ...], [com.sk89q.worldedit.tools.brushes.Brush, SphereBrush], [com.sk89q.worldedit.util.PropertiesConfiguration, TargetBlock]
	IntCache: cache: 0, tcache: 2, allocated: 4, tallocated: 60
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 744 (41664 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [jc['Player102'/0, l='The Desert of lost hopes', x=57,59, y=96,37, z=356,65]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated

java.lang.IllegalStateException: TickNextTick list out of synch
	at iz.a(SourceFile:403)
	at iz.b(SourceFile:142)
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	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 224dad8b ----------