We found an issue. We tried to upgrade our project to the latest Aspose.Slides assembly i.e. “23.10.0” from “21.11.0”. The license we have is valid till next year.
FYI,
<SubscriptionExpiry>20221124</SubscriptionExpiry>
…...Evaluation Watermark in Presentations Even though We Have the...for contacting support. Please note that your license expires on...