vicidial login

i cant log in on using user account cause im getting thie error "Sorry, there are no available sessions" please help me to solve this issue.
thanks
thanks
VICIDIAL astGUIclient discussion forum
http://forum.eflo.net/VICIDIALforum/
http://forum.eflo.net/VICIDIALforum/viewtopic.php?f=7&t=7261