Crash: Description: Exception in server tick loop

Code:

---- Minecraft Crash Report ----
// I blame Dinnerbone.
 
Time: 28.10.13 14:46
Description: Exception in server tick loop
 
java.lang.ArrayIndexOutOfBoundsException: 0
    at net.minecraft.server.v1_6_R3.NibbleArray.detectAndProcessTrivialArray(NibbleArray.java:27)
    at net.minecraft.server.v1_6_R3.NibbleArray.<init>(NibbleArray.java:123)
    at net.minecraft.server.v1_6_R3.ChunkRegionLoader.a(ChunkRegionLoader.java:318)
    at net.minecraft.server.v1_6_R3.ChunkRegionLoader.a(ChunkRegionLoader.java:89)
    at net.minecraft.server.v1_6_R3.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:78)
    at org.bukkit.craftbukkit.v1_6_R3.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:19)
    at org.bukkit.craftbukkit.v1_6_R3.chunkio.ChunkIOProvider.callStage1(ChunkIOProvider.java:13)
    at org.bukkit.craftbukkit.v1_6_R3.util.AsynchronousExecutor$Task.init(AsynchronousExecutor.java:150)
    at org.bukkit.craftbukkit.v1_6_R3.util.AsynchronousExecutor$Task.initAsync(AsynchronousExecutor.java:95)
    at org.bukkit.craftbukkit.v1_6_R3.util.AsynchronousExecutor$Task.run(AsynchronousExecutor.java:85)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)

Part 2: http://pastebin.com/P3vSHv3V

Does anyone know what to do with it?

 

Locked. Offline mode servers are not supported here.