[21:21:22] [Craft Scheduler Thread - 165/WARN]: org.apache.commons.lang.UnhandledException: Plugin UHC v1.0 generated an exception while executing task 33
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Asynchronous entity world add!
	at org.spigotmc.AsyncCatcher.catchOp(AsyncCatcher.java:14)
	at net.minecraft.server.v1_7_R4.World.a(World.java:2748)
	at net.minecraft.server.v1_7_R4.Chunk.addEntities(Chunk.java:860)
	at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:40)
	at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:13)
	at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337)
	at org.bukkit.craftbukkit.v1_7_R4.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295)
	at org.bukkit.craftbukkit.v1_7_R4.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16)
	at net.minecraft.server.v1_7_R4.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:137)
	at net.minecraft.server.v1_7_R4.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:119)
	at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.getChunkAt(CraftWorld.java:139)
	at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.getBlockAt(CraftWorld.java:85)
	at org.bukkit.craftbukkit.v1_7_R4.CraftWorld.getBlockAt(CraftWorld.java:545)
	at org.bukkit.Location.getBlock(Location.java:82)
	at net.raauhh.uhc.a.a.a.a(a.java)
	at net.raauhh.uhc.a.a.a.a(a.java)
	at net.raauhh.uhc.a.a.d.a(d.java)
	at net.raauhh.uhc.a.a.d.run(d.java)
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
	at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more