[Serusers] Ser & mysql problem

Hi all, I've Problem with ser and mysql databases: In first time, I can connect to ser mysql database without any problem, but when i try to do it twice, I' have this errors : Listening on udp: 127.0.0.1 [127.0.0.1]:5060 udp: 192.168.1.20 [192.168.1.20]:5060 tcp: 127.0.0.1 [127.0.0.1]:5060 tcp: 192.168.1.20 [192.168.1.20]:5060 Aliases: tcp: linux:5060 tcp: linux.local:5060 tcp: localhost:5060 udp: linux:5060 udp: linux.local:5060 udp: localhost:5060 stateless - initializing 0(0) Maxfwd module- initializing textops - initializing acc - initializing 0(4479) new_connection(): Can't connect to MySQL server on '192.168.1.70' (111) 0(4479) db_init(): Could not create a connection 0(4479) ERROR: child_init(0): Error while connecting database 0(4479) init_mod_child(): Error while initializing module usrloc 0(4479) main: error in init_child Thanks for advance. Bouchra. Découvrez nos promotions exclusives "destination de la Tunisie, du Maroc, des Baléares et la Rép. Dominicaine sur Yahoo! Voyages : http://fr.travel.yahoo.com/promotions/mar14.html