Xcode 8 generates broken NSManagedObject subclasses for iOS 10

Question

I updated my iOS app project recently to iOS 10. Now I\'m trying to change the Core Data Model of my app but the new NSManagedObject subclasses which Xcode generates are bro

Answer 1

If you have a legacy app and you wish to keep adding managed object classes manually

1. Make sure your core data model codegen is set to Manual/None
2. Select your core data model file
3. Create managed object subclass