dis

[15:14:27] [Server thread/INFO]: tara81 issued server command: /dis cow
[15:14:27] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'dis' in plugin DisguiseCraft v5.1
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot.jar:git-Spigot-1178]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192) ~[spigot.jar:git-Spigot-1178]
	at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:546) ~[spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:938) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:813) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:647) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:259) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:530) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:442) [spigot.jar:git-Spigot-1178]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1178]
Caused by: java.lang.NullPointerException
	at pgDev.bukkit.DisguiseCraft.disguise.Disguise.safeAddData(Disguise.java:241) ~[?:?]
	at pgDev.bukkit.DisguiseCraft.disguise.Disguise.initializeData(Disguise.java:217) ~[?:?]
	at pgDev.bukkit.DisguiseCraft.disguise.Disguise.sharedConstruct(Disguise.java:91) ~[?:?]
	at pgDev.bukkit.DisguiseCraft.disguise.Disguise.<init>(Disguise.java:76) ~[?:?]
	at pgDev.bukkit.DisguiseCraft.listeners.DCCommandListener.onCommand(DCCommandListener.java:1566) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot.jar:git-Spigot-1178]
	... 13 more