System.ArgumentException: ReadResult does not contain valid MutationToken

var upsertResult = await collection.UpsertAsync("airline_pca", new { callsign = "PLAYGROUND-AIR", type = "airline", country="United States", iata="Q0", icao="PCA", id=8675309, name="Playground Air"  });                

// create mutation state from mutation results

var state = MutationState.From(upsertResult);                

// use mutation state with query option

var result = await cluster.QueryAsync<dynamic>(

                    "SELECT x.* FROM `travel-sample` WHERE icao=$icao",

                    options => options.Parameter("icao", "PCA").ConsistentWith(state)

                );