Performing mail merge throws "Stack Empty" exception using .NET

I am using Aspose.Words version 9.1.0.0. I experienced “Stack Empty” exception occassionally.

How can I resolve this? Thanks.

Hi Qian,

Thanks for your query. Please use the latest version of Aspose.Words for .NET and let us know, If you still face exception. It would be great, If you share some more details about issue.