How to fix cannot find picture in scope this error in swift code?

I already brought the in the assert, but in the view controller shows cannot find in the picture name in the scope. How to fix the issue in the swift [code?] Please see the pictures.

Try this:

let imageview = UIImageView(image: UIImage(named: "robin")!)
How to fix cannot find picture in scope this error in swift code?
 
 
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