Fatal error: Uncaught Error: Class "Microsoft\Graph\Generated\BaseGraphClient" not found in /var/www/html/dev.hallescherfc.de/vendor/microsoft/microsoft-graph/src/GraphServiceClient.php:29 Stack trace: #0 {main} thrown in /var/www/html/dev.hallescherfc.de/vendor/microsoft/microsoft-graph/src/GraphServiceClient.php on line 29