Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-31T08:40:34","request-id":"9048278f-3df9-4878-98e1-30e6b192ee32","client-request-id":"9048278f-3df9-4878-98e1-30e6b192ee32"}}}"