[Serusers] SER don't start

Hello, I'm using Fedora C4, ser-0.9.4 with radiusclient-ng-0.5.2. When I start SER I view this error message and SER don't start 0(14959) WARNING: fix_socket_list: could not rev. resolve 66.167.141.22 0(14959) WARNING: fix_socket_list: could not rev. resolve 66.167.141.22 Listening on udp: 66.165.171.22 [66.167.141.22]:5060 tcp: 66.165.171.22 [66.167.141.22]:5060 Aliases: WARNING: no fork mode stateless - initializing 0(0) Maxfwd module- initializing textops - initializing 0(0) info: mediaproxy: loaded SIP asymmetric clients file containing 0 entries. 0(0) info: mediaproxy: loaded RTP asymmetric clients file containing 0 entries. 0(0) INFO: udp_init: SO_RCVBUF is initially 110592 0(0) INFO: udp_init: SO_RCVBUF is finally 262142 2(0) INFO: fifo process starting: 14961 2(0) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo... 2(0) WARNING: no fifo_db_url given - fifo DB commands disabled! 0(14959) new_connection(): Access denied for user: 'serro@localhost' (Using password: YES) 0(14959) db_init(): Could not create a connection 0(14959) ERROR:domain_db_init: cannot initialize database connection 0(14959) ERROR: domain:child_init(): Unable to connect to the database 0(14959) init_mod_child(): Error while initializing module domain 0(14959) main_dontfork: init_child failed 1(14960) INFO: signal 15 received 2(14961) 0(14959) child process 14960 exited normally, status=0 0(14959) INFO: dont_fork turned on, living on INFO: signal 15 received 0(14959) child process 14961 exited normally, status=0 0(14959) INFO: dont_fork turned on, living on Can anybody help me ? Regards, Guido