After some research on the web without success, I come here to ask you the question about my warning.
Actually, I have a view V1 with a navigation controller and I w
It sounds like you may be performing the segue in -viewWillAppear: thus generating two -viewWillAppear: messages without 2 corresponding -viewDidAppear messages.
-viewWillAppear:
-viewDidAppear
Try performing the segue in -viewDidAppear.