2013-06-06 19:03:08 [SEVERE] [Websend] Server encountered an error. Attempting restart.
org.bukkit.command.CommandException: Unhandled exception executing command 'manuadd' in plugin GroupManager v2.0 (Pre2.11.1.7) (Phoenix)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:189)
	at org.bukkit.craftbukkit.v1_5_R3.CraftServer.dispatchCommand(CraftServer.java:546)
	at com.github.websend.server.PacketParser.parseDoCommandAsConsole(PacketParser.java:34)
	at com.github.websend.server.CommunicationServer.startServer(CommunicationServer.java:151)
	at com.github.websend.server.CommunicationServer.run(CommunicationServer.java:42)
Caused by: java.lang.ArrayIndexOutOfBoundsException
2013-06-06 19:03:08 [INFO] [Websend] Waiting for client.