Fatal error: Uncaught Error: Class "OCP\Migration\SimpleMigrationStep" not found in /var/www/html/nextcloud/apps/photos/lib/Migration/Version20000Date20220727125801.php:20 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/photos/lib/Migration/Version20000Date20220727125801.php on line 20