iOS 9 CoreData NSFetchedResultsCon… | Apple Developer ForumsDescription: I have separate classes that run NSFetchedResultsController on both UITableView and UICollectionView. They've been working in iOS 8. Since iOS 9, I occasionally get the console error below on NSManagedObject updates. The changes to NSManagedObject is valid and saves properly to persistent store. However, the UI for UITableView/UICollectionView backed by the NSFetchedResultsController
