fix: data returned by region API when 404
fix: data returned by region API when 404

SmartInfrastructures/FIWARELab-monitoringAPI,SmartInfrastructures/FIWARELab-monitoringAPI,attybro/FIWARELab-monitoringAPI,attybro/xifi-monitoringAPI,SmartInfrastructures/FIWARELab-monitoringAPI