Fatal error: Uncaught Error: Class "Doctrine\DBAL\Driver\Middleware\AbstractConnectionMiddleware" not found in /home/bimmertest/BookStack/vendor/doctrine/dbal/src/Driver/PDO/SQLSrv/Connection.php:11 Stack trace: #0 {main} thrown in /home/bimmertest/BookStack/vendor/doctrine/dbal/src/Driver/PDO/SQLSrv/Connection.php on line 11