could not locate an NSManagedObjectModel for entity name

Question

This is the code for toggleAddProject method, the Core Data code is almost the same as found in Apple\'s CoreDataBooks sample, however when I click the add button the app cr

Answer 1

The Apple docs give some good information on debugging the error entityForName: could not locate an NSManagedObjectModel for entity name 'Foo'.

Look at this section of the Core Data Programming Guide.