Auth0 facebook login email issue

After talking with our support team, this may be a case of the Facebook profile not actually having an email. Previously when you created a Facebook account way back in the day you didn’t need a email, so it may have not been present in the profile to begin with. To be more certain is it possible to reach out to the user and ask them to capture a HAR file of their signin process and send it over? This would allow us to have a better perspective on what may be occurring during the workflow. Thanks!