Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-04T00:51:47","request-id":"25610c29-66c1-4267-b502-7fb2e838c1f1","client-request-id":"25610c29-66c1-4267-b502-7fb2e838c1f1"}}}"