Core Data; Cocoa error 134100

Question

This is my first time with core data, and I am getting the following error.

I would really appreciate it if you could tell me how to fix it.

Unresolv         


        

Answer 1

It should be enough if you remove the app from your simulator/device.

You don't have to change the files in your project (except choosing a current model and replacing the classes using menu: Editor/Create NSManaged Object Subclass).