2012-09-02 04:38:40 [WARNING] Could not properly handle event CHUNK_LOAD:
java.lang.IllegalAccessError: Synchronized code got accessed from another thread: com.lishid.orebfuscator.proximityhider.ProximityHider
	at org.bukkit.event.Listener.onChunkLoad(Listener:0)
	at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:330)
	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 net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:112)
	at net.timedminecraft.server.TimedChunkProviderServer.getChunkAt(TimedChunkProviderServer.java:183)
	at org.bukkit.craftbukkit.CraftWorld.getChunkAt(CraftWorld.java:106)
	at org.bukkit.craftbukkit.CraftWorld.getBlockAt(CraftWorld.java:70)
	at org.bukkit.craftbukkit.CraftWorld.getBlockAt(CraftWorld.java:463)
	at org.bukkit.Location.getBlock(Location.java:82)
	at com.lishid.orebfuscator.proximityhider.ProximityHider.run(ProximityHider.java:106)
2012-09-02 04:38:40 [INFO] This error is logged only once: it could have occurred multiple times by now.
2012-09-02 04:38:40 [INFO] Please contact one of the authors of plugin 'Orebfuscator': lishid