[Serusers] SER don't start

[Guido]

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 at 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