Thank you for reporting this issue to us. While using the latest version of Aspose.Words i.e. 11.10.0, I managed to reproduce this issue on my side. I have logged this issue in our bug tracking system. The issue ID is WORDSNET-7538. Your request has also been linked to this issue and you will be notified as soon as it is resolved. Sorry for the inconvenience.
Thanks for your inquiry. Unfortunately, your issue is not resolved yet. Our development team has completed the analysis of this issue and the root cause has been identified. We will inform you as soon as this issue is resolved. We apologize for any inconvenience.