Callback error in Auth0

There is an error coming in auth0 regular web api

GET /callback?error=access_denied&error_description=Cannot%20read%20property%20%
27phone%27%20of%20undefined&state=qBpjoi7HX3XCkw1wsR9FB96D

Hey @anubhavg18!

Can you tell me more precisely when exactly do you get such error so I can look for potential reasons about that?

Thanks!