2012-09-02 01:13:53 [INFO] [RegionForSale] Player Tyladrago wasn't able to pay his rent for region 'butik19'
2012-09-02 01:13:53 [INFO] [RegionForSale] Auto-rebuilding region "butik19" in world "world"..
2012-09-02 01:13:53 [SEVERE] java.util.ConcurrentModificationException
2012-09-02 01:13:53 [SEVERE] 	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
2012-09-02 01:13:53 [SEVERE] 	at java.util.ArrayList$Itr.next(ArrayList.java:791)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.Chunk.a(Chunk.java:717)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.World.getEntities(World.java:2220)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.World.getCubes(World.java:953)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.Entity.move(Entity.java:462)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.EntityItem.h_(EntityItem.java:61)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.World.entityJoinedWorld(World.java:1239)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:498)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.World.playerJoinedWorld(World.java:1221)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.World.tickEntities(World.java:1119)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:565)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
2012-09-02 01:13:53 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
2012-09-02 01:13:53 [SEVERE] Encountered an unexpected exception ConcurrentModificationException
java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819)
	at java.util.ArrayList$Itr.next(ArrayList.java:791)
	at net.minecraft.server.Chunk.a(Chunk.java:717)
	at net.minecraft.server.World.getEntities(World.java:2220)
	at net.minecraft.server.World.getCubes(World.java:953)
	at net.minecraft.server.Entity.move(Entity.java:462)
	at net.minecraft.server.EntityItem.h_(EntityItem.java:61)
	at net.minecraft.server.World.entityJoinedWorld(World.java:1239)
	at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.java:498)
	at net.minecraft.server.World.playerJoinedWorld(World.java:1221)
	at net.minecraft.server.World.tickEntities(World.java:1119)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:565)
	at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
	at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)