AVCam swift sample project is not working on iPhone 6s plus, it returns an error of AVCam swift sample project is not working on iPhone 6s plus, it returns an error of       Capture session runtime error: related decl ‘e’ for AVError(_nsError: Error Domain=AVFoundationErrorDomain Code=-11819 “Cannot…

Hi. How can this be made better and correct?   class Square: NamedShape {     var sideLength: Double       init(sideLength: Double, name: String) {         self.sideLength = sideLength         super.init(name: name)         numberOfSides = 4     }       func area() -> Double {…