Pptx to pdf

using (Aspose.Slides.Presentation pres = new Aspose.Slides.Presentation(Server.MapPath("~/demo.pptx")))
{
pres.Save(Server.MapPath("~/demoDefault.pdf"), Aspose.Slides.Export.SaveFormat.Pdf);
}

System.NullReferenceException
TargetSite : Aspose.Slides.Animation.FilterEffectType œ(System.String)

Hi,


Thanks for your interest in Aspose.Slides.

I have observed the issue shared by you and request you to please share the sample presentation with us so that I may investigate it on my end to help you further.

Many Thanks,