Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-08T03:08:28","request-id":"6f7d34e0-aefb-46c0-83ef-119893854cec","client-request-id":"6f7d34e0-aefb-46c0-83ef-119893854cec"}}}"