Kamailio issue

Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: <core> [db_query.c:337]: db_do_update(): error while submitting query
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [ucontact.c:1077]: db_update_ucontact_ruid(): updating database failed
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [urecord.c:398]: wb_timer(): updating contact in db failed (aor: c1a9acbfc-9fda-4808-9467-e6880260588)
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: db_mysql [km_dbase.c:123]: db_mysql_submit_query(): driver error on query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: <core> [db_query.c:337]: db_do_update(): error while submitting query
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [ucontact.c:1077]: db_update_ucontact_ruid(): updating database failed
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [urecord.c:398]: wb_timer(): updating contact in db failed (aor: c65e19415-5b64-4cf9-99f7-2d98022af77)
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: db_mysql [km_dbase.c:123]: db_mysql_submit_query(): driver error on query: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: <core> [db_query.c:235]: db_do_insert_cmd(): error while submitting query
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [ucontact.c:655]: db_insert_ucontact(): inserting contact in db failed
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: usrloc [urecord.c:386]: wb_timer(): inserting contact into database failed (aor: c6c932fcc-4c50-4e8b-9be8-5aaf376342c)
Jan 29 04:13:59 urcmcs /usr/local/sbin/kamailio[1933]: ERROR: db_mysql [km_dbase.c:123]: db_mysql_submit_query(): driver error on query: Can't connect to local MySQL server through socket '/var/run/mysqld/