Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-11T01:33:24","request-id":"1d817aa2-11db-4d2f-bd76-c049be64ecfb","client-request-id":"1d817aa2-11db-4d2f-bd76-c049be64ecfb"}}}"