Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-05-09T10:58:00","request-id":"5a727987-4d24-4eb4-ad40-a0d3fd141e41","client-request-id":"5a727987-4d24-4eb4-ad40-a0d3fd141e41"}}}"