Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' in /var/www/html/test.old/admin_approval.php:3 Stack trace: #0 /var/www/html/test.old/admin_approval.php(3): mysqli->__construct() #1 {main} thrown in /var/www/html/test.old/admin_approval.php on line 3