My iPhone 12 Pro Max My Facebook Messenger screen is not being shared

See if anything here helps.

https://www.youtube.com/watch?v=CwHiQ7ov8d0

https://www.wirefly.com/guides/facebook-messenger-not-working-iphone-how-to-fix

https://www.igeeksblog.com/facebook-not-working-on-iphone/

Still not working. Does anyone have any suggestions? Any help would be appreciated. The suggestions in the video are not applicable to the iphone 12 max pro, which makes a very attractive brick, but I was hoping something more.