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