invalid nib registered for identifier (CELLNAME) - nib must contain exactly one top level object which must be a UITableViewCell instance

Question

Sorry for the long title, but I wanted it to be clearly seen from a google search. Also, this differs from many of the other similar questions on here as its not specifying

Answer 1

I dragged collection view cell from other project and got this.
'invalid nib registered for identifier (cell) - nib must contain exactly one top level object which must be a UICollectionReusableView instance' .
Then i compared the collection view cell from created my me and found reusable view missing. Hope this help.