My app has Facebook Login. It has suddenly stop working. It is always login user as anonymous, so I am not getting any data. How to stop anonymous login for my App.
OAuthException, code: 100, message: (#100) Tried accessing nonexisting field (first_name) on node type (AnonymousUser), x-fb-trace-id: EQfRXtpQzk4 [HTTP 400]
SDK version 5.5.1 GA
This is a Facebook issue and there is an opened bug on their platform: https://developers.facebook.com/bugs/173424853153369/