Bukkit

IMPORTANT INFORMATION:
sorry, for my bda english ;D
I'm german.

What steps will reproduce the problem?
1.Play in Arena 1
2.Win or lose the mactch

What is the expected output? What do you see instead?
The Server crashes, and i Need to Close and restart -.- (my Server tooks very Long to reload/start)
but everything works good, just a Crash on match end

What version of the product are you using?
• R: OneInTheGun v1.0.1 for CB 1.6.2-R0.1 Aug 13, 2013

Do you have an error log of what happened?
Yes, i have a crashreport:   ======================================================

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 26.01.14 00:27
Description: Exception ticking world entities

java.lang.IndexOutOfBoundsException: Index: 33, Size: 32
    at java.util.ArrayList.rangeCheck(ArrayList.java:604)
    at java.util.ArrayList.remove(ArrayList.java:445)
    at net.minecraft.server.v1_7_R1.World.tickEntities(World.java:1225)
    at net.minecraft.server.v1_7_R1.WorldServer.tickEntities(WorldServer.java:480)
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:637)
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250)
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545)
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457)
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)

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

-- Head --
Stacktrace:
    at java.util.ArrayList.rangeCheck(ArrayList.java:604)
    at java.util.ArrayList.remove(ArrayList.java:445)
    at net.minecraft.server.v1_7_R1.World.tickEntities(World.java:1225)
    at net.minecraft.server.v1_7_R1.WorldServer.tickEntities(WorldServer.java:480)

-- Affected level --
Details:
    Level name: OITC1
    All players: 0 total; []
    Chunk stats: ServerChunkCache: 527 Drop: 254
    Level seed: -4915377852187283040
    Level generator: ID 01 - flat, ver 0. Features enabled: false
    Level generator options: 2;2x4,3x3,2;1;biome_1,village
    Level spawn location: World: (-488,31,157), Chunk: (at 8,1,13 in -31,9; contains blocks -496,0,144 to -481,255,159), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
    Level time: 3263293 game time, 748212 day time
    Level dimension: 0
    Level storage version: 0x04ABD - Anvil
    Level weather: Rain time: 8752 (now: true), thunder time: 20336 (now: false)
    Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
    at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:637)
    at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250)
    at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545)
    at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457)
    at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)

-- System Details --
Details:
    Minecraft Version: 1.7.2
    Operating System: Linux (amd64) version 3.8.0-35-generic
    Java Version: 1.7.0_25, Oracle Corporation
    Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 282344432 bytes (269 MB) / 637206528 bytes (607 MB) up to 954466304 bytes (910 MB)
    JVM Flags: 1 total; -Xmx1024M
    AABB Pool Size: 1273 (71288 bytes; 0 MB) allocated, 722 (40432 bytes; 0 MB) used
    IntCache: cache: 11, tcache: 0, allocated: 13, tallocated: 95
    CraftBukkit Information:
   Running: CraftBukkit version git-Bukkit-1.7.2-R0.2-7-g169af45-b2985jnks (MC: 1.7.2) (Implementing API version 1.7.2-R0.3-SNAPSHOT) false
   Plugins: { DarkHorse v1.0 dragomcc.horsefail.Hauptteil [DragoMCC], iTags v2.1.1 com.jacklinkproductions.iTags.Main [jacklink01], WorldEdit v5.5.8 com.sk89q.worldedit.bukkit.WorldEditPlugin [], SurvivalGames v0.5.8.54 org.mcsg.survivalgames.SurvivalGames [Double0negative], OreGenerator v1.2 dragomcc.oregen.OreGenerator [DragoMCC], CreateYourOwnMenus v0.5 me.xhawk87.CreateYourOwnMenus.CreateYourOwnMenus [], ColorGuide v1.3.3 me.paulbgd.bukkit.CG.Colors [Ultimate], NBTEditor v1.1.1 com.goncalomb.bukkit.nbteditor.NBTEditor [goncalomb], OneInTheGun v1.0.1 com.entrocorp.linearlogic.oneinthegun.OITG [LinearLogic], Gommemode v0.0.1 me.johni0702.bukkit.gommemode.GommemodePlugin [Johni0702], ProtocolLib v3.0.0-SNAPSHOT com.comphenix.protocol.ProtocolLibrary [Comphenix], PermissionsEx v1.20.4 ru.tehkode.permissions.bukkit.PermissionsEx [[t3hk0d3, zml]], Multiverse-Core v2.4-b527 com.onarandombox.MultiverseCore.MultiverseCore [Rigby, fernferret, lithium3141, main--], Paintball v1.2.5 de.blablubbabc.paintball.Paintball [blablubbabc], WorldGuard v5.8 com.sk89q.worldguard.bukkit.WorldGuardPlugin [], SkyGrid v1.2 com.LRFLEW.bukkit.skygrid.SkyGridPlugin [LRFLEW, sethbling], Essentials v2.12.2 com.earth2me.essentials.Essentials [Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans, Xeology, KHobbits, md_5, Iaccidentally], EssentialsSpawn v2.12.2 com.earth2me.essentials.spawn.EssentialsSpawn [Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans, Xeology, KHobbits], Multiverse-Portals v2.4-b548 com.onarandombox.MultiversePortals.MultiversePortals [Rigby, fernferret], Multiverse-Inventories v2.5-b335 com.onarandombox.multiverseinventories.MultiverseInventories [dumptruckman], Multiverse-SignPortals v2.4-b523 com.onarandombox.MultiverseSignPortals.MultiverseSignPortals [Rigby, fernferret], Multiverse-NetherPortals v2.4-b530 com.onarandombox.MultiverseNetherPortals.MultiverseNetherPortals [Rigby, fernferret], EssentialsChat v2.12.2 com.earth2me.essentials.chat.EssentialsChat [Zenexer, ementalo, Aelux, Brettflan, KimKandor, snowleo, ceulemans, Xeology, KHobbits, md_5, Okamosy, Iaccidentally],}
   Warnings: DEFAULT
   Threads: { RUNNABLE Signal Dispatcher: [], WAITING pool-6-thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615), java.lang.Thread.run(Thread.java:724)], RUNNABLE Netty IO #2: [sun.nio.ch.EPollArrayWrapper.epollWait(Native Method), sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:228), sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:81), sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87), sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98), net.minecraft.util.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:591), net.minecraft.util.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:301), net.minecraft.util.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101), java.lang.Thread.run(Thread.java:724)], TIMED_WAITING Server Infinisleeper: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_7_R1.ThreadSleepForever.run(SourceFile:62)], WAITING Chunk I/O Executor Thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615), java.lang.Thread.run(Thread.java:724)], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Thread.java:1619), org.bukkit.craftbukkit.v1_7_R1.CraftCrashReport.call(CraftCrashReport.java:28), net.minecraft.server.v1_7_R1.CrashReportSystemDetails.a(SourceFile:74), net.minecraft.server.v1_7_R1.CrashReport.h(CrashReport.java:45), net.minecraft.server.v1_7_R1.CrashReport.<init>(CrashReport.java:33), net.minecraft.server.v1_7_R1.CrashReport.a(CrashReport.java:225), net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:639), net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250), net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545), net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457), net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)], TIMED_WAITING File IO Thread: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_7_R1.FileIOThread.b(SourceFile:44), net.minecraft.server.v1_7_R1.FileIOThread.run(SourceFile:23), java.lang.Thread.run(Thread.java:724)], RUNNABLE DestroyJavaVM: [], TIMED_WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], WAITING pool-11-thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615), java.lang.Thread.run(Thread.java:724)], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:503), java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)], RUNNABLE Netty IO #1: [sun.nio.ch.EPollArrayWrapper.epollWait(Native Method), sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:228), sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:81), sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87), sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98), net.minecraft.util.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:591), net.minecraft.util.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:301), net.minecraft.util.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101), java.lang.Thread.run(Thread.java:724)], WAITING Java2D Disposer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151), sun.java2d.Disposer.run(Disposer.java:145), java.lang.Thread.run(Thread.java:724)], RUNNABLE Netty IO #3: [sun.nio.ch.EPollArrayWrapper.epollWait(Native Method), sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:228), sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:81), sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87), sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98), net.minecraft.util.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:591), net.minecraft.util.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:301), net.minecraft.util.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101), java.lang.Thread.run(Thread.java:724)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615), java.lang.Thread.run(Thread.java:724)], WAITING MV-Inv Profile Write Thread: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), com.onarandombox.multiverseinventories.util.data.FlatFilePlayerData$FileWriteThread.run(FlatFilePlayerData.java:208)], RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(FileInputStream.java:242), java.io.BufferedInputStream.fill(BufferedInputStream.java:235), java.io.BufferedInputStream.read(BufferedInputStream.java:254), java.io.FilterInputStream.read(FilterInputStream.java:83), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader$1.read(ConsoleReader.java:167), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:267), org.bukkit.craftbukkit.libs.jline.internal.InputStreamReader.read(InputStreamReader.java:204), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readCharacter(ConsoleReader.java:995), org.bukkit.craftbukkit.libs.jline.console.ConsoleReader.readLine(ConsoleReader.java:1167), net.minecraft.server.v1_7_R1.ThreadCommandReader.run(ThreadCommandReader.java:32)], RUNNABLE Netty IO #0: [sun.nio.ch.EPollArrayWrapper.epollWait(Native Method), sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:228), sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:81), sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:87), sun.nio.ch.SelectorImpl.select(SelectorImpl.java:98), net.minecraft.util.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:591), net.minecraft.util.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:301), net.minecraft.util.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:101), java.lang.Thread.run(Thread.java:724)], WAITING PermissionsEx-Cleaner: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:503), java.util.TimerThread.mainLoop(Timer.java:526), java.util.TimerThread.run(Timer.java:505)], TIMED_WAITING pool-3-thread-73: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615), java.lang.Thread.run(Thread.java:724)], WAITING MV-Inv Profile Write Thread: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), com.onarandombox.multiverseinventories.util.data.FlatFilePlayerData$FileWriteThread.run(FlatFilePlayerData.java:208)], WAITING Thread-5: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:186), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2043), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), net.minecraft.util.com.mojang.util.QueueLogAppender.getNextLogEvent(QueueLogAppender.java:73), org.bukkit.craftbukkit.v1_7_R1.util.TerminalConsoleWriterThread.run(TerminalConsoleWriterThread.java:25), java.lang.Thread.run(Thread.java:724)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151), java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:189)],}
   Recent tasks from 601965-601995{WorldEdit:com.sk89q.worldedit.bukkit.SessionTimer@602000,SurvivalGames:org.mcsg.survivalgames.logging.QueueManager$DataDumper@602010,}
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
    Player Count: 2 / 3; [EntityPlayer['Tommy_Yuki'/3013, l='spawn', x=-967,48, y=4,00, z=800,86](Tommy_Yuki at -967.4823751147763,4.0,800.8591623562106), EntityPlayer['lol'/206, l='spawn', x=-967,48, y=4,00, z=800,86](lol at -967.4823751147763,4.0,800.8591623562106)]
    Is Modded: Definitely; Server brand changed to 'CraftBukkit'
    Type: Dedicated Server (map_server.txt)

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Please provide any additional information below.
i haven't got any more Information.