**Originated From:** [https://products.aspose.app/cad/conversion/dwf-to-pdf/navigation/errorReportForm/errorReportForm/errorReportForm](https://products.aspose.app/cad/conversion/dwf-to-pdf/navigation/errorReportForm/errorReportForm/errorReportForm)
**Exception:** Not connect. Verify Network.
"error" {"readyState":0,"status":0,"statusText":"error"}
Error on zipping file System.ArgumentNullException: Value cannot be null. Parameter name: paths at System.IO.Path.Combine(String[] paths) at Aspose.App.Helpers.PathSafe.GenerateAndValidate(String baseDir, String[] parts) in D:\Code\ASP\aspose.cad.apps\Aspose.App\src\Aspose.App.API\Helpers\PathSafe.cs:line 25 at Aspose.App.Services.Error2Forum.Error2ForumService.d__4.MoveNext() in D:\Code\ASP\aspose.cad.apps\Aspose.App\src\Aspose.App.API\Services\Error2Forum\Error2ForumService.cs:line 103
We need a problematic file in order to investigate this issue.