I'm trying to make a mobile app where the "Scan" button is pressed. it will have a camera access and I have another file for the scan screen. I keep getting this error. this is the only error I have. I can't run my code

how to fix this? the "Scan Screen"
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Navigator.push(context,MaterialPageRoute(builder:(context)=>ScanScreen(camera:'CameraDescription')))would fix it. ScanScreen widget is asking for required 'camera' parameter which you are currently not providing.