when i try to build and run my app, it crashes and i got this in the log :
reason: \'[ setValue:forUndefinedKey:]: thi
I have found the same error in my Application and I found solution for this after some time.
Actually I Have given 2 action events for one button. I have removed extra connection which is assigned to button after that the problem is over.
This is worked in my scenario. I hope it will be helpful to someone else..