If you're unable to join a session or a stage, it could be due to one of the following reasons:

• The moderator or organiser is not allowing you to enter the session or stage.
• Your browser may not be giving Hopin access to your audio or video devices. You cannot join a session or stage without your AV.

There could be a bug. If you don't understand what's going on, let us know. We're always happy to help.