Fatal error: Uncaught Error: Class "Doctrine\DBAL\Connection" not found in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connections/PrimaryReadReplicaConnection.php:76 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connections/PrimaryReadReplicaConnection.php on line 76