You can open it again by right click (option click) your .swiftpm file, click "Open with" and choose Xcode from the menu.

I am having the same issue too: https://developer.apple.com/forums/thread/703935. I have reached out to the team through email and will update here if I got any responses.

Update: for anyone who had the same issue, I got an email from the team and this should have been resolved now.

Update: for anyone who had the same issue, I got an email from the team and this should have been resolved now.

I am having the same issue when trying it on an iPhone 13 mini. Not sure if it's hardware restrictions.

@jamesboo I have found a fix. On line 53 of CameraViewController.swift, you can try to change the device type to something else like .builtInDualWideCamera.