Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-09T13:44:42","request-id":"a47d8348-9e74-4c62-8ee5-3ccfb3e8e567","client-request-id":"a47d8348-9e74-4c62-8ee5-3ccfb3e8e567"}}}"