xClans при инвайте крошится

Всё работает , версия подходит всё норм но при выдаче инвайта плагин крошится

Код:

2013-02-12 12:34:22 [INFO] Alex007 issued server command: /c invite
 
2013-02-12 12:34:23 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'c' in plugin xClans v1.2.4 Release
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
    at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186)
    at org.bukkit.craftbukkit.v1_4_6.CraftServer.dispatchCommand(CraftServer.java:554)
    at net.minecraft.server.v1_4_6.PlayerConnection.handleCommand(PlayerConnection.java:990)
    at net.minecraft.server.v1_4_6.PlayerConnection.chat(PlayerConnection.java:908)
    at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:852)
    at net.minecraft.server.v1_4_6.Packet3Chat.handle(Packet3Chat.java:44)
    at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
    at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
    at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
    at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
    at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:585)
    at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
    at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:481)
    at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:416)
    at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1
    at net.planetofgames.xclans.Core.inviteCMD(Core.java:733)
    at net.planetofgames.xclans.Core$14.Run(Core.java:1304)
    at net.planetofgames.xclans.Core.onCommand(Core.java:1163)
    at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
    ... 15 more