iOS8 Swift: deleteRowsAtIndexPaths crashes

Question

I am having some trouble with deleting a row from my tableView in Swift, iOS 8, Xcode 6 Beta 6. Every time I try to delete a row I get an error along the lines of

Answer 1

I believe this is simply a caching problem. Your fetchedResultController is not going to automatically refetch your results as it caches its results. That means that when tableView:numberOfRowsInSection: is called again, the results count is still returning 25 even though you deleted an item.