Error! mysql_connect('-', '-', '-')
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (11)

MySQL Query Error: SELECT 'x' FROM b_agent WHERE ACTIVE='Y' AND NEXT_EXEC<=now() AND (DATE_CHECK IS NULL OR DATE_CHECK<=now()) LIMIT 1[Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (11)]