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

Add Permission Code in your App

Likes

Android : fbLoginButton.setReadPermissions(Arrays.asList(EMAIL));

IOS: loginButton.readPermissions = @[@"public_profile", @"email"];