                                         }
                                     }else {
                                         // Failure
-                                        print("getObject::GetEntity::URL Session Task Failed: %@", error?.localizedDescription);
+                                        print("getObject::GetEntity::URL Session Task Failed: %@", error?.localizedDescription ?? defaultErrorMessageNoFurtherInformation);
                                     }
                                 }
                                 let op=GetEntityOperation(baseUrl: self.baseUrl, domain: self.domain, entityName: classKey, id: node.objectId!, user: self.login, pass: self.password, queue: blockingQueue, completionHandler: completionHandler)

                                        }
                                    }else {
                                        // Failure
                                        print("arbeitsauftrag::GetEntity::URL Session Task Failed: %@", error?.localizedDescription);
                                    }
                                }
                                let op=GetEntityOperation(baseUrl: self.baseUrl, domain: self.domain, entityName: classKey, id: node.objectId!, user: self.login, pass: self.password, queue: blockingQueue, completionHandler: getAACompletionHandler)

                }
            }else {
                // Failure
                print("leuchtentypen::GetAllEntities::URL Session Task Failed: %@", error?.localizedDescription ?? "no further Info");
            }
            
        }
