Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-02-11T03:08:44","request-id":"152c27a8-4d26-486d-9aaf-4408bd2fea73","client-request-id":"152c27a8-4d26-486d-9aaf-4408bd2fea73"}}}"