let mediaEntity = NSEntityDescription.entity(forEntityName:
"Media", in: managedContext)
        mediaEntity?.setValue(showMediaModel.popularity, forKey: "popularity")
        mediaEntity?.setValue(showMediaModel.title, forKey: "title")
        mediaEntity?.setValue(showMediaModel.type.rawValue, forKey: "type")
        mediaEntity?.setValue(showMediaModel.id, forKey: "id")

        do {
            try managedContext.save()
        } catch let error as NSError {
            print("Could not save. (error), (error.userInfo)")
        }

Terminating app due to uncaught exception 'NSUnknownKeyException',
reason: '[<NSEntityDescription 0x6000008c02c0>
setValue:forUndefinedKey:]: this class is not key value coding-
compliant for the key popularity.'