[UIBarButtonItem convertPoint:toView:]: unrecognized selector sent to instance

Question

I link my UIBarButtonItem to a View Controller in XIB using modal segue, once I click the UIBarButtonItem the error below came out and I can't find what is the reason for it, anyone please help me. Thanks.

2014-09-12 11:08:26.551 testingApp[28195:60b] -[UIBarButtonItem convertPoint:toView:]: unrecognized selector sent to instance 0xd22a270
2014-09-12 11:08:26.688 testingApp[28195:60b] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[UIBarButtonItem convertPoint:toView:]: unrecognized selector sent to instance 0xd22a270'

Answer 1

The convertPoint:toView: method is from the UIView class. UIBarButtonItem does not extend UIView (directly or indirectly).