Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-25T22:29:41","request-id":"290393a8-55cf-4d04-9854-d1b0f389c903","client-request-id":"290393a8-55cf-4d04-9854-d1b0f389c903"}}}"