                 ?? RequestError(
                     userMessage: NSLocalizedString("Cannot parse server response", comment: "userMessage"),
                     cause: error)
-            return .failure(siestaError)
+            return logTransformation(.failure(siestaError))
             }
         }
 

                { throw RequestError.Cause.TransformerReturnedNil(transformer: self) }
            var entity = entity
            entity.content = result
            return .success(entity)
            }
        catch
            {

        switch response
            {
            case .success(let entity):
                return processEntity(entity)

            case .failure(let error):
                return processError(error)
            }
        }

