Fatal error: Uncaught mysqli_sql_exception: No such file or directory in /var/www/html/my/classes/connection.php:3 Stack trace: #0 /var/www/html/my/classes/connection.php(3): mysqli_connect('localhost', 'runtrainer_admi...', 'Mi7vG7Zn', 'runtrainer_db') #1 /var/www/html/login.php(36): include('/var/www/html/m...') #2 {main} thrown in /var/www/html/my/classes/connection.php on line 3