Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-05-23T01:53:35","request-id":"3c58014c-12d0-4de7-8e11-7575a57613fc","client-request-id":"3c58014c-12d0-4de7-8e11-7575a57613fc"}}}"