'iTextSharp.text.html.simpleparser.CellWrapper' to type 'iTextSharp.text.Paragraph'

Question

While trying to create HTML to Pdf using itextsharp getting Unable to cast object of type 'iTextSharp.text.html.simpleparser.CellWrapper' to type 'iTextSharp.text.Paragraph'. exception.Here is the piece of code

string FilePath = System.Web.HttpContext.Current.Server.MapPath("~/EmailTemplate/tenantStatement-print.html");
        StreamReader mstrFileStreamReader = new StreamReader(FilePath);

        string fileContents = mstrFileStreamReader.ReadToEnd();

        mstrFileStreamReader.Close();

        String htmlText = fileContents;

        Document document = new Document();

        PdfWriter.GetInstance(document, new FileStream(HttpContext.Current.Server.MapPath("~\\DocumentEngine\\tempDocs\\") + "\\outfile.pdf", FileMode.Create));
        document.Open();
        iTextSharp.text.html.simpleparser.StyleSheet styles = new iTextSharp.text.html.simpleparser.StyleSheet();
        iTextSharp.text.html.simpleparser.HTMLWorker hw = new iTextSharp.text.html.simpleparser.HTMLWorker(document);
        hw.Parse(new StringReader(htmlText));
        document.Close();

        Response.ClearContent();
        Response.ClearHeaders();
        Response.AddHeader("Content-Disposition", "inline;filename=outfile.pdf");
        Response.ContentType = "application/pdf";
        Response.WriteFile(HttpContext.Current.Server.MapPath("~\\DocumentEngine\\tempDocs\\") + "\\outfile.pdf");
        Response.Flush();
        Response.Clear();