Hello
when a .trdp file contains custom user function,error information see attached.
Telerik.Reporting.UriReportSource uriReportSource =new Telerik.Reporting.UriReportSource();
uriReportSource.Uri = RootDir + "\\TestReport\\HomePage.trdp";
Telerik.Reporting.Processing.RenderingResult result =reportProcessor.RenderReport("pdf", uriReportSource, deviceInfo);