Based on the below i am working on refresh Refresh token renewal
 But after  token expired ,while request new refresh token am getting below error
But after  token expired ,while request new refresh token am getting below error
Below is my code
   var tokenClientOptions = new TokenClientOptions
                        {
                            Address = "https://localhost:5000", //configuration.TokenEndpoint,
                            ClientId = "webclient",//openIdConnectOptions.ClientId,
                            ClientSecret ="secret"  // openIdConnectOptions.ClientSecret
                        };
                        var httpClientFactory = serviceProvider.GetService<IHttpClientFactory>();
                        using var httpClient = httpClientFactory.CreateClient();
                        var tokenClient = new TokenClient(httpClient, tokenClientOptions);
                        var tokenResponse = await tokenClient.RequestRefreshTokenAsync(refreshToken, cancellationToken: cancellationToken).ConfigureAwait(false);
below is my Html response.
I have given base path idetity server 4. Pls let me know reason am getting error..Thanks in advance.


 
    