You've been warned that you may have a possible issue with permissions in your browser for the Camera, Microphone or both while attempting to moderate a live session via the Lookback website.
You may have denied access to your Camera or Microphone for the Lookback site, to continue you'll need to update and grant access. On most versions of Chrome, you can change your Camera and Microphone permissions by clicking on "Secure" to the left side of the URL.
If you aren't able to change your settings this way, this article explains how you can re-enable permission.
Once your settings have been updated please try again.