Warning: mysqli::real_connect(): (HY000/2002): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in /home/shoppingsaver/public_html/include/include_db.php on line 0

Warning: mysqli::query(): invalid object or resource mysqli in /home/shoppingsaver/public_html/include/include_db.php on line 0
COULD_NOT_EXECUTE_QUERY

[SET NAMES 'utf8' COLLATE 'utf8_general_ci';] - Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)