Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-24T03:10:49","request-id":"d31000c4-1307-4415-a148-9e85e01c4c29","client-request-id":"d31000c4-1307-4415-a148-9e85e01c4c29"}}}"