objective c - NSArrayController and the exception "CoreData could not fulfill a fault" -
I have a list of items, examples of the item class saved in the core data model. This item is shown using an NSArrayController and cocoa binding in NSTableView . It works all too well. However, when I extract some items using these instructions: extract items selected for item (item * self.itemsArrayController.selectedObjects In item) {[self. Managed object contact deleted object: item]; } NSError * Error = Zero; If (! [Managed Object Contact Contact: & amp; Error]) [[NSAPCirmation Shared Application] Current Error: Error]; } After some time , I get an exception CoreData could not complete a mistake . All the documents I read that I found (including), but I did not find anything useful. I am using the new ARC (automated reference count), so I'm pretty sure I am not trying to save the managed object reference after the managed object that was deleted. UPDATE: My app is a single thread, so I'm not trying to reach them managed object contacts with ...