Description: Exception in server tick loop

sun.reflect.generics.reflectiveObjects.NotImplementedException
	at com.khorn.terraincontrol.forge.ForgeEngine.getOverWorld(ForgeEngine.java:120)
	at com.khorn.terraincontrol.forge.ForgeEngine.getCartographerEnabled(ForgeEngine.java:102)
	at com.khorn.terraincontrol.forge.events.ServerEventListener.onServerTick(ServerEventListener.java:20)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_617_ServerEventListener_onServerTick_ServerTickEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:185)
	at net.minecraftforge.fml.common.FMLCommonHandler.onPostServerTick(FMLCommonHandler.java:261)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:657)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:471)
	at java.lang.Thread.run(Thread.java:745)