Warning: PDO::__construct(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.sock) in /www/wwwroot/ffob.org/comlib/conn.php on line 21

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] No such file or directory' in /www/wwwroot/ffob.org/comlib/conn.php:21
Stack trace:
#0 /www/wwwroot/ffob.org/comlib/conn.php(21): PDO->__construct('mysql:host=loca...', 'ffobor1_soho', '123bet123')
#1 /www/wwwroot/ffob.org/comlib_ip.php(45): dbconn()
#2 /www/wwwroot/ffob.org/base_domain.php(67): include('/www/wwwroot/ff...')
#3 /www/wwwroot/ffob.org/index.php(5): include('/www/wwwroot/ff...')
#4 {main}
  thrown in /www/wwwroot/ffob.org/comlib/conn.php on line 21