Issue with Aspose pdf save functionality

Hi,

We have purchased an Aspose.pdf licence version 7.2. Till date, saving pdf file as html was working perfectly. However, today it stopped working all of a sudden. Given below is the code snippet we are using.

Aspose.Pdf.Document doc = new Aspose.Pdf.Document(myStream);
                doc.Save(htmlFilePath, Aspose.Pdf.SaveFormat.Html);

Please help me resolve this issue.

Regards,
Nikhil