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Cannot get the client result. Response :StatusCode: 400, ReasonPhrase: 'Bad Request', Version: 1.1, Content: System.Net.Http.StreamContent, Headers: { Pragma: no-cache Cache-Control: no-cache Date: Mon, 21 Sep 2020 13:21:27 GMT Server: Microsoft-IIS/10.0 X-AspNet-Version: 4.0.30319 X-Powered-By: ASP.NET Content-Length: 0 Expires: -1 }