Fatal error: Uncaught Error: Interface "Doctrine\DBAL\Driver\Connection" not found in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php:46 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php on line 46