Swift unrecognized selector sent to instance error

Question

I recently converted my project from Objective-C to Swift and in doing so I acquired this error whenever I click a button in the table view\'s cell. I have multiple cells be

Answer 1

For Swift 2.2 with Xcode 8:

self.followedButton.addTarget(parentView, action: #selector(CustomCell.followButtonClick(_:)), forControlEvents: .TouchUpInside)