Error interno en el servidor

Hi people, my problem is when i try to add a contact in my pandion client i get this error:

error 500.

This is the same thing to all my users

And this error appear in the wildfire logs:

2007.05.10 11:06:02 org.jivesoftware.wildfire.handler.IQRosterHandler.handleIQ( 128) Error interno en el servidor


some body knows what mean this ?

thanks by your help

Looks like the other user is pending for authorization and he is in the roster already, but you don’'t have the presence subscription yet.