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