[Solved] understanding ‘lldb’ backtace – app crashes when button is pressed

This is your problem: Foundation`-[NSObject(NSKeyValueCoding) setValue:forKey:] because after this, is raised an Exception: CoreFoundation`-[NSException raise] + 12 You are trying to set a value for a key in your object that could not exists or has some other problem. P.S.: Update your answer with some relevant code so I can update my answer with more … Read more