Hi, I am encountering a similar problem, in my case it's triggered when closing a view controller and setting rootViewController on the UIWindow.Were you able to find the cause of the issue ?
Post
Replies
Boosts
Views
Activity
After investigating, I have determined that in my case the crash was caused by setting duplicate (same instance) UIBarButtonItem items in rightBarButtonItems or leftBarButtonItems (for example for spacing purposes)Fixed by creating unique instances