I am seeing this issue with meta website. I updated my community just a moment ago and experienced a similar problem on my community too.
For some of the topics, if I open them in a new tab I see the following error:
I am seeing issue with these pages:
- Adsense-Free Experience As Tier On Patreon
- AdSense Responsive Ads
- AdSense Auto ads
- Google Adsense verification
NOTE: I am able to open these links in incognito mode just fine.