2013-01-08 19:42:36 [SEVERE] Could not pass event ChunkLoadEvent to mcMMO v1.3.13-dev-b1091
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
	at org.bukkit.craftbukkit.v1_4_6.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:58)
	at org.bukkit.craftbukkit.v1_4_6.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:13)
	at org.bukkit.craftbukkit.v1_4_6.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:179)
	at org.bukkit.craftbukkit.v1_4_6.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:287)
	at org.bukkit.craftbukkit.v1_4_6.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30)
	at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:524)
	at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:481)
	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:416)
	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.OutOfMemoryError: PermGen space