Facebook session expired errors can be caused by caches being cleared on the system, either if you are using a browser on a computer or an app on a smartphone.

The session expired error, however, isn't new. It has been around for quite a while and can occur unexpectedly to anyone, even when the Facebook servers aren't down.

The outage has caused people to automatically get logged out of Meta and for Instagram to no longer work, giving errors like "Couldn't refresh feed." When logged out of Facebook, users are being ...