Can you link to the topic ? Can you see this topic, everyone has this issue or just a subset of users ? Anything specific in this topic ? poll? dates? images? charts ?
Also @Stephen didn’t ask for incognito mode but for safe mode: Using Safe Mode to troubleshoot issues with themes and plugins
Although, the fact that it works in incognito mode, tells us that it must be some theme/plugin relying on a session being active.