Exception thrown: 'System.Exception' in System.Private.CoreLib.dll

WinRT information: The certificate authority is invalid or incorrect

Exception thrown: 'System.Exception' in System.Net.Http.dll

WinRT information: The certificate authority is invalid or incorrect

Exception thrown: 'System.Exception' in System.Private.CoreLib.dll

WinRT information: The certificate authority is invalid or incorrect

Exception thrown: 'System.Exception' in System.Net.Http.dll

WinRT information: The certificate authority is invalid or incorrect

Exception thrown: 'System.Exception' in System.Private.CoreLib.dll

WinRT information: The certificate authority is invalid or incorrect

Exception thrown: 'System.Net.Http.HttpRequestException' in System.Net.Http.dll

Exception thrown: 'System.Net.Http.HttpRequestException' in System.Private.CoreLib.dll

Exception thrown: 'System.Net.Http.HttpRequestException' in System.Net.Http.dll

Exception thrown: 'System.Net.Http.HttpRequestException' in System.Private.CoreLib.dll

'GroceryList.UWP.exe' (CoreCLR: CoreCLR_UWP_Domain): Loaded 'C:\Program Files\WindowsApps\Microsoft.NET.CoreFramework.Debug.2.2_2.2.30316.1_x64__8wekyb3d8bbwe\System.Diagnostics.StackTrace.dll'.

Http Request Error: System.Net.Http.HttpRequestException: An error occurred while sending the request. ---> System.Exception: The text associated with this error code could not be found.

The certificate authority is invalid or incorrect

at System.Net.Http.HttpHandlerToFilter.SendAsync(HttpRequestMessage request, CancellationToken cancel)

at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)

at System.Net.Http.HttpClientHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)

--- End of inner exception stack trace ---

at System.Net.Http.HttpClientHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)

at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task`1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts)

at GroceryList.Services.SerpApi.QueryCorrect(String phrase)

Here is the method performing the query:

private static async Task<string> QueryCorrect(string phrase)

{

string newQueryString = null;

Debug.WriteLine("Phrase is: " + phrase);

var newSpellingBuilder = new UriBuilder

{

Scheme = "https",

Host = "serapi.com",

Path = "search.json",

Query = $"engine=walmart&query={phrase}&api_key={AppSettings.ApiKey2}"

};

var httpClientSpelling = new HttpClient();

var httpRequestSpelling = new HttpRequestMessage

{

Method = HttpMethod.Get,

RequestUri = newSpellingBuilder.Uri

};

try

{

using var responseSpelling = await httpClientSpelling.SendAsync(httpRequestSpelling);

responseSpelling.EnsureSuccessStatusCode();

var result = await responseSpelling.Content.ReadAsStringAsync();

if (result == null) return null;

var obj = JObject.Parse(result);

var q1 = obj["search_information"] as JObject;

Debug.WriteLine($"spelling query returns: " + q1);

newQueryString = q1["Spelling_fix"]?.ToString();

}

catch (HttpRequestException e)

{

Debug.WriteLine("Http Request Error: " + e);

Crashes.TrackError(e);

}

return newQueryString;

}