Class not found, using default NSManagedObject instead

Question

I have a problem with core data in IOS 8. Whenever I want to use the insertNewObjectForEntityForName method, I get the

Class not found,

Answer 1

This is an updated version from the answer provided from @High6

As of Xcode 7 there is a Module property that you can set to Current Product Module (it appears automatically), so you don't need to use prefixes.