CoreData: “Dangling reference to an invalid object.” error

Question

I\'m working on a Cocoa-Touch app, it uses CoreData and has some NSPersistentObject subclasses generated by the XCode model editor.

I\'ve noticed that recently, when

Answer 1

I know it's long after the fact, but I've been fighting this problem on a Core Data Model that has ALL relationships set to Nullify. Kept getting these dangling references until I found a single setPrimitiveValue instead of setValue when I was adding to the relationships. Be careful, with relationships, you gotta be sure you do the right thing to let Core Data maintain the relationships for you!