Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-02-10T02:45:01","request-id":"dd29d71b-029b-4f42-b5de-dc759b0b17d8","client-request-id":"dd29d71b-029b-4f42-b5de-dc759b0b17d8"}}}"