Unable to connect IBOutlet from storyboard to UIView subclass

Question

I am able to right-click and drag from my custom UIView subclass file to the storyboard elements to connect them, but unable to do so the other way around. I believe this is

Answer 1

Another way just create your button name manually in view controller like this -

@IBOutlet weak var button: UIButton!

then connect your button via drag to view controller as image shown [!

PS:- please clean your derived data also.