Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-26T23:00:47","request-id":"33bc5d60-8437-47af-8181-b581700b827f","client-request-id":"33bc5d60-8437-47af-8181-b581700b827f"}}}"