Thanks for your inquiry.
In case you are using an older version of Aspose.Words, I would suggest you please upgrade to the latest version (v13.2.0) from here
and let us know how it goes on your side. If the problem still remains, please attach your input Word document here for testing. I will investigate the issue on my side and provide you more information.
I have tested the scenario and have not found the shared issue. Please find the input/output files in attachment.
10.0pt;font-family:“Courier New”;color:#2B91AF;mso-no-proof:yes”>Document<span style=“font-size:10.0pt;font-family:“Courier New”;mso-no-proof:yes”> doc = new Document(MyDir
Table table = (Table)doc.GetChild(NodeType.Table,
Paragraph para = (Paragraph)table.PreviousSibling;
= "Heading 1";
doc.Save(MyDir + "out.docx");