Fatal error: Uncaught Error: Class "OCP\Files\External\Auth\AuthMechanism" not found in /users/ms-it/www/oc/lib/private/Files/External/Auth/NullMechanism.php:30 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/private/Files/External/Auth/NullMechanism.php on line 30