Fatal error: Uncaught Error: Interface "OCP\Settings\IDeclarativeSettingsFormWithHandlers" not found in /var/www/html/nextcloud/apps/files/lib/Settings/DeclarativeAdminSettings.php:17 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/files/lib/Settings/DeclarativeAdminSettings.php on line 17