2013-02-08 09:52:07 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'd' in plugin DisguiseCraft v4.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186)
	at org.bukkit.craftbukkit.v1_4_R1.CraftServer.dispatchCommand(CraftServer.java:514)
	at net.minecraft.server.v1_4_R1.PlayerConnection.handleCommand(PlayerConnection.java:980)
	at net.minecraft.server.v1_4_R1.PlayerConnection.chat(PlayerConnection.java:898)
	at net.minecraft.server.v1_4_R1.PlayerConnection.a(PlayerConnection.java:853)
	at net.minecraft.server.v1_4_R1.Packet3Chat.handle(Packet3Chat.java:44)
	at net.minecraft.server.v1_4_R1.NetworkManager.b(NetworkManager.java:290)
	at net.minecraft.server.v1_4_R1.PlayerConnection.d(PlayerConnection.java:113)
	at net.minecraft.server.v1_4_R1.ServerConnection.b(SourceFile:39)
	at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:30)
	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
	at pgDev.bukkit.DisguiseCraft.DisguiseCraft.disguiseToWorld(DisguiseCraft.java:541)
	at pgDev.bukkit.DisguiseCraft.DisguiseCraft.sendDisguise(DisguiseCraft.java:433)
	at pgDev.bukkit.DisguiseCraft.DisguiseCraft.disguisePlayer(DisguiseCraft.java:335)
	at pgDev.bukkit.DisguiseCraft.listeners.DCCommandListener.onCommand(DCCommandListener.java:1244)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
	... 15 more