Fatal error: Uncaught Error: Class "OCP\Migration\SimpleMigrationStep" not found in /var/www/html/nextcloud/apps/user_status/lib/Migration/Version0001Date20200602134824.php:21 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/user_status/lib/Migration/Version0001Date20200602134824.php on line 21