Warning: mysqli_connect(): (HY000/2002): Connection refused in
/opt/lampp/htdocs/assets/includes/php/db.php on line
20
Database Connection Failed: 2002
Week
Fatal error: Uncaught Error: Call to a member function query() on null in /opt/lampp/htdocs/gains.php:47
Stack trace:
#0 {main}
thrown in /opt/lampp/htdocs/gains.php on line 47