A few things to try:
1- If you have not tried already, go back in your page editing page and click Update, and go to Main options > Content areas and click Save, both to refresh your settings.
2- Also clear any cache (plugin or service like Cloudflare)
3- If that doe not fix it, I see you actually set The Page Featured image globally, so can you try to create a new page (test) and give it a feature image, and see if that NEW page works.
4- I see you have the “Plus” Version 2.1, if your Plus subscription is current, can you update to the latest 2.94. It should not have any effect, but I am trying to remove variables, as we cant reproduce the problem.
5- Next, can you deactivate ALL non weaver plugins, including any cache plugin or service (like Cloudflare), and see if that makes a difference. If it does,