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Now can anyone please explain how to disable the Metal API Validation? I tried switching this to "Disabled" or "OpenGL ES" Cleaned the Build folder, built again. But I am still getting the same error.

So it seems the ObjectCaptureSession is not available on the simulator, so you need to attach a device that has LiDAR and runs iOS 17 to get rid of this issue.

I fixed this by running startSession outside the body. That was causing the issue. @MainActor func startSession() { guard #available(iOS 17.0, *) else { return } do { let session = ObjectCaptureSession() var configuration = ObjectCaptureSession.Configuration() configuration.checkpointDirectory = getDocumentsDir().appendingPathComponent("Snapshots/") try session.start(imagesDirectory: getDocumentsDir().appendingPathComponent("Images/"), configuration: configuration) self.session = session } catch { sessionError = error } } Also added: .onAppear { startSession() } after .environment(\.colorScheme, .dark) Here is the final part of the code inside the ZStack if let session = session { ObjectCaptureView(session: session) if case .ready = session.state { Button(action: { session.startDetecting() }) { Text("Continue") .foregroundColor(.white) .padding() .background(Color.blue) .cornerRadius(10) } } else if case .detecting = session.state { Button(action: { session.startCapturing() }) { Text("Start Capture") .foregroundColor(.white) .padding() .background(Color.blue) .cornerRadius(10) } } } else if let error = sessionError { Text("Failed to start ObjectCaptureSession: \(error.localizedDescription)") } else { Text("Initializing...") } As you can see I changed the CreateButton part because it was also not defined in the video. So I went back to the old way of creating buttons. Hope this helps you move fwd

This was fixed by attaching a device with iOS 17 In my case it's an iPad with Lidar and iOS 17 installed. I read on a different comment that ObjectCaptureSession is not available on the simulator.

It hasn't been published yet, just wait a few days. They are working hard on this.

Hello! ObjectCaptureSession and ObjectCaptureView are NOT available on simulators yet. You need a real device attached to xCode to get rid of this error.

I understand that the sample code is not yet available. Thank you in advance.