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Error while pulling historic data

C#/.Net SDK
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    I am building a desktop application using C#, .NET8.0. I want to pull historic price values . I am getting error 'Raw Response Content: Request Rejected. The requested URL was rejected. Please consult with your administrator. Your support ID is 5492786208459174548' for the below code. Please let me know how to proceed.
    Exchange = NSE
    AssetName = Tata Motors

    public static decimal? GetCurrentPrice(string exchange, string assetName)
{
    string? accessToken = GetAccessToken();
    if (accessToken == null)
    {
        MessageBox.Show("Failed to retrieve access token.");
        return null;
    }

    try
    {
        var client = new RestClient("https://apiconnect.angelone.in/rest/secure/angelbroking/historical/v1/getCandleData");
        var request = new RestRequest
        {
            Method = Method.Get
        };

        request.AddHeader("Authorization", $"Bearer {accessToken}");
        request.AddHeader("X-API-KEY", apiKey);

        // Add query parameters for the historical data request
        request.AddParameter("exchange", exchange);
        request.AddParameter("symbol", assetName);
        request.AddParameter("interval", "ONE_DAY");
        request.AddParameter("fromdate", DateTime.Now.AddDays(-1).ToString("yyyy-MM-dd")); 
        request.AddParameter("todate", DateTime.Now.ToString("yyyy-MM-dd"));

        RestResponse response = client.Execute(request);

        // Check if headers are not null and display them
        var headers = response.Headers != null
            ? string.Join(Environment.NewLine, response.Headers.Select(h => $"{h.Name}: {h.Value}"))
            : "No headers available";

        MessageBox.Show($"Response Status: {response.StatusCode}\nResponse Headers:\n{headers}", "API Response", MessageBoxButton.OK, MessageBoxImage.Information);

        if (response.IsSuccessful)
        {
            if (string.IsNullOrEmpty(response.Content))
            {
                MessageBox.Show("Empty response content. The market might be closed or data is unavailable.");
                return null;
            }

            // Print the raw response for debugging
            MessageBox.Show($"Raw Response Content: {response.Content}");

            try
            {
                var priceData = Newtonsoft.Json.Linq.JObject.Parse(response.Content);
                var currentPrice = priceData["data"]?[0]?["close"]?.Value<decimal>();
                return currentPrice;
            }
            catch (Newtonsoft.Json.JsonException jsonEx)
            {
                MessageBox.Show($"JSON Parsing Error: {jsonEx.Message}", "JSON Parsing Error", MessageBoxButton.OK, MessageBoxImage.Error);
                return null;
            }
        }
        else
        {
            MessageBox.Show($"Error: {response.StatusCode} - {response.Content}", "API Error", MessageBoxButton.OK, MessageBoxImage.Error);
            return null;
        }
    }
    catch (Exception ex)
    {
        MessageBox.Show($"Exception occurred: {ex.Message}", "Exception", MessageBoxButton.OK, MessageBoxImage.Error);
        return null;
    }
}
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