Windows Voice Assistant not connecto to Direct speech line Bot (error 1002 + 404)

[ram-msft]

Following the direct speech line tutorial present in this link, After completing the azure resources setup tried to connect them to "Windows Voice Assistant".
but it show the follow error:

https://github.com/Azure-Samples/Cognitive-Services-Voice-Assistant/tree/main/clients/csharp-wpf

[ram-msft]

Team, Any suggestions on this issue.