Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-27T23:22:36","request-id":"32b9fbd0-66fd-4251-a5df-3a6c5e793536","client-request-id":"32b9fbd0-66fd-4251-a5df-3a6c5e793536"}}}"