Heeeelp

org.bukkit.command.CommandException: Unhandled exception executing command 'npc' in plugin NPCWarehouse v0.9.4
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
at org.bukkit.craftbukkit.v1_6_R2.CraftServer.dispatchCommand(CraftServer.java:523)
at net.minecraft.server.v1_6_R2.PlayerConnection.handleCommand(PlayerConnection.java:964)
at net.minecraft.server.v1_6_R2.PlayerConnection.chat(PlayerConnection.java:882)
at net.minecraft.server.v1_6_R2.PlayerConnection.a(PlayerConnection.java:839)
at net.minecraft.server.v1_6_R2.Packet3Chat.handle(SourceFile:49)
at net.minecraft.server.v1_6_R2.NetworkManager.b(NetworkManager.java:296)
at net.minecraft.server.v1_6_R2.PlayerConnection.e(PlayerConnection.java:118)
at net.minecraft.server.v1_6_R2.ServerConnection.b(SourceFile:37)
at net.minecraft.server.v1_6_R2.DedicatedServerConnection.b(SourceFile:30)
at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:590)
at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)
Caused by: java.lang.NullPointerException
at net.npcwarehouse.CommandHandler.createNPC(Unknown Source)
at net.npcwarehouse.CommandHandler.runCommand(Unknown Source)
at net.npcwarehouse.CommandHandler.onCommand(Unknown Source)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)