org.bukkit.command.CommandException: Unhandled exception executing command 'kage
bunshin' in plugin KageBunshin v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:16
8)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:3
82)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.
java:768)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:728)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:721)
        at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:96)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:534)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.Error: Unresolved compilation problem:
        The method NPCCreateEvent(String, NPCCreateEvent.NPCCreateReason, Locati
on) is undefined for the type new CommandExecutor(){}

        at com.rosaage.KageBunshin.KageBunshin$1.onCommand(KageBunshin.java:31)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 12 more