Storing NSManagedObject in a dictionary (NSDictionary)

Question

I have a custom class, which is a subclass of NSManagedObject. I would like to store it in a dictionary, but when trying to do so I receive a Property list in

Answer 1

In my app I'm also storing MO's in a dictionary (but no hold on, I'm storing in an array) but without any cast. please try if this happens for an array too.

And you can try to create the dictionary first and after that assign objects.

NSMutableDictionary *dic = [NSMutableDictionary dictionary];
[dic setValue:managedObject forKey:@"thisOne"];