Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-05-13T06:28:16","request-id":"84d4167b-ca5b-4802-ab16-1e7b33439236","client-request-id":"84d4167b-ca5b-4802-ab16-1e7b33439236"}}}"