Probably a new feature to save you from having to read Stuff. Must remember to install Mojave myself...
EDIT: Seriously though, what sort of error message(s) do you get?
I'm jealous and want this feature enabled
Make sure that everything is up-to-date and clear History or try a private browsing tab.
I just use chrome on mine.
Ding Ding Ding Ding Ding : Ice cream man , Ice cream man