13:09:06 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'mv' in plugin Multiverse-Core v2.4-b527
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:515)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:887)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:833)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:815)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:107)
        at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
        at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:111)
        at org.getspout.spout.SpoutNetServerHandler.d(SpoutNetServerHandler.java:173)
        at net.minecraft.server.ServerConnection.b(SourceFile:35)
        at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:580)
        at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
        at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:476)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:407)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
        at com.khorn.terraincontrol.generator.resourcegens.ResourceGenBase.CheckBlock(ResourceGenBase.java:78)
        at com.khorn.terraincontrol.generator.resourcegens.OreGen.ReadString(OreGen.java:85)
        at com.khorn.terraincontrol.generator.resourcegens.ResourceGenBase.ReadFromString(ResourceGenBase.java:33)
        at com.khorn.terraincontrol.configuration.BiomeConfig.ReadResourceSettings(BiomeConfig.java:488)
        at com.khorn.terraincontrol.configuration.BiomeConfig.ReadConfigSettings(BiomeConfig.java:384)
        at com.khorn.terraincontrol.configuration.BiomeConfig.<init>(BiomeConfig.java:102)
        at com.khorn.terraincontrol.configuration.WorldConfig.<init>(WorldConfig.java:212)
        at com.khorn.terraincontrol.bukkit.TCPlugin.CreateSettings(TCPlugin.java:121)
        at com.khorn.terraincontrol.bukkit.TCPlugin.getDefaultWorldGenerator(TCPlugin.java:78)
        at org.bukkit.WorldCreator.getGeneratorForName(WorldCreator.java:284)
        at org.bukkit.WorldCreator.generator(WorldCreator.java:181)
        at com.onarandombox.MultiverseCore.utils.WorldManager.addWorld(WorldManager.java:113)
        at com.onarandombox.MultiverseCore.utils.WorldManager.addWorld(WorldManager.java:91)
        at com.onarandombox.MultiverseCore.utils.WorldManager.loadWorld(WorldManager.java:282)
        at com.onarandombox.MultiverseCore.commands.LoadCommand.runCommand(LoadCommand.java:36)
        at com.pneumaticraft.commandhandler.multiverse.CommandHandler.checkAndRunCommand(CommandHandler.java:279)
        at com.pneumaticraft.commandhandler.multiverse.CommandHandler.processFoundCommands(CommandHandler.java:143)
        at com.pneumaticraft.commandhandler.multiverse.CommandHandler.locateAndRunCommand(CommandHandler.java:93)
        at com.onarandombox.MultiverseCore.MultiverseCore.onCommand(MultiverseCore.java:476)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 17 more