Error when trying to set the iOS-application's background

Question

Before I upgraded XCode to version 7.3.1 (7D1014), the following code snippet changed background of my application.

class InitialViewController: UIViewController {
    @IBOutlet weak var startImage: UIImageView!

    override func viewDidLoad() {
        super.viewDidLoad()

        self.view.backgroundColor = UIColor(patternImage: UIImage(named: "FogCity")!)
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}

Now I get following error:

This image exists:

The "print" function displays following:

Please help me!

Answer 1

Your code is correct, I tested it. I refer to this line of code: self.view.backgroundColor = UIColor(patternImage: UIImage(named: "FogCity")!)

What you have to do is to check the name of the image "FogCity" to exactly match.