Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-28T10:17:07","request-id":"ebf094e5-461c-4884-bb81-0c99065b3f48","client-request-id":"ebf094e5-461c-4884-bb81-0c99065b3f48"}}}"