Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-10T22:24:57","request-id":"e0d0ed93-cb27-48f3-b781-4a80e42e4988","client-request-id":"e0d0ed93-cb27-48f3-b781-4a80e42e4988"}}}"