Видео ютуба по тегу Nsmanagedobjects Subclass

Troubleshooting: No NSEntityDescriptions in Any Model Claim the NSManagedObject Subclass
Troubleshooting: No NSEntityDescriptions in Any Model Claim the NSManagedObject Subclass
NSManagedObject subclass '
NSManagedObject subclass '"' is ambiguous for type lookup in this context XCode Core Data Error