2016-04-25 09:11:29.978 iOS Development[2277:52401] *** Assertion failure in -[UICollectionView _endItemAnimationsWithInvalidationContext:tentativelyForReordering:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit_Sim/UIKit-3512.60.7/UICollectionView.m:4422
2016-04-25 09:19:24.460 iOS Development[2277:52401] CoreData: error: Serious application error. An exception was caught from the delegate of NSFetchedResultsController during a call to -controllerDidChangeContent:. attempt to delete item 24 from section 0 which only contains 22 items before the update with userInfo (null)