PPSX file not opening after download if Chart Area is present Aspose version

Chart Area is added in a PPTX as below -
image.png (69.3 KB)

Uploaded this PPTX and downloaded this PPTX file as PPSX.
After downloading the PPSX file is not opening, shows below error -

image.png (4.4 KB)

Please provide solution for this issue.


I have observed the image shared by you and request you to please first try using latest Aspose.Slides for .NET 19.3 on your end. If there is still an issue then please share working sample code along with source files reproducing the issue.