Fatal error: Uncaught Error: Class "OCP\AppFramework\OCSController" not found in /var/www/html/nextcloud/apps/federatedfilesharing/lib/Controller/RequestHandlerController.php:40 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/federatedfilesharing/lib/Controller/RequestHandlerController.php on line 40