Bukkit

What steps will reproduce the problem?
1.Use command: /citizenskins

What is the expected output? What do you see instead?
An internal error occured ...

What version of the product are you using?
v2.0.41.73

Do you have an error log of what happened?
issued server command: /citizenskins get
[SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'citizenskins' in plugin CitizenSkins v2.0.41.73
        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 org.getspout.spout.SpoutPlayerConnection.a(SpoutPlayerConnection.java:121)
        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 org.getspout.spout.SpoutPlayerConnection.d(SpoutPlayerConnection.java:196)
        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.ArrayIndexOutOfBoundsException: 1
        at com.citizenskins.core.commands.CommandCitizenSkins.get(CommandCitizenSkins.java:68)
        at com.citizenskins.core.commands.CommandCitizenSkins.cmdCitizenSkins(CommandCitizenSkins.java:42)
        at com.citizenskins.core.commands.CommandCitizenSkins.onCommand(CommandCitizenSkins.java:23)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
        ... 17 more

Please provide any additional information below.
Error in this line: com.citizenskins.core.commands.CommandCitizenSkins.get(CommandCitizenSkins.java:68)