CMS language strings requires forums

I see this language string missing for Pages database records after the 5.x upgrade:

After some digging, I found it is tied to the Forums app, which I currently haven’t installed on this website, which is focused on Pages and Commerce.

I guess if it’s meant as a global string, it needs to be a System language string, not a Forums language string. Or each app needs its own version.

This is from a different installation with Forums installed: