public void modifyCustomer(KundeDto kundeDto) { WriteActualMethod(); Kunde kunde = DtoConverter.ConvertToEntity(kundeDto); KundeManager kundeManager = new KundeManager(); try { kundeManager.modifyCustomer(kunde); } catch (OptimisticConcurrencyException <Kunde> e) { OptimisticConcurrency <KundeDto> fault = new OptimisticConcurrency <KundeDto>(); fault.Result = false; fault.Message = e.Message; fault.Description = "Occurrency Exception!"; throw new FaultException <OptimisticConcurrency <KundeDto> >(fault); } }