Facebook Graph API rejects newly created access token

Question

Earlier today, the Facebook login flow of our web application stopped working for some users. When we try to fetch the current profile, an error is returned. It claims that

Answer 1

I have found this link in FB docs: Refreshing User Access Tokens

Which mentions that after 90 days users must re-establish their token, so in case of such error we should just redirect the user to register again.

They even mention that they remove tokens of non-active users in the top of this doc. Maybe they did a mistake and removed all users tokens. Anyhow the solution is to redirect users to resubscribe.