PPTX to PDF: Exception: Cannot find a glyph for this character code (C# .NET)

Converting .pptx to .pdf:

System.InvalidOperationException : Cannot find a glyph for this character code.
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at .(Int32 )
at …ctor( , Boolean , Boolean )
at …ctor( , FontStyle , , , )
at .( , FontStyle , , , )
at ​ .( , Boolean , )
at ​ .( )
at .( )
at . ( )
at . ( , )
at . ( , )
at . ( , )
at . ( , )
at .( , )
at .(Presentation , Stream , Int32[] , PdfOptions , InterruptionToken )
at .(Presentation , Stream , PdfOptions , InterruptionToken )
at Aspose.Slides.Presentation.Save(Stream stream, SaveFormat format, ISaveOptions options)
at Aspose.Slides.Presentation.Save(String fname, SaveFormat format)

Aspose.Slides for .NET: 19.9.0
glyph-miss.zip (6.0 MB)

@christy8074,

I have worked with source files and sample code shared by you and have been able to observe the issue. A ticket with ID SLIDESNET-41472 has been created in our issue tracking system to further investigate issue in detail. This thread has been linked with issue so that you may be automatically notified once issue will be fixed.

The issues you have found earlier (filed as SLIDESNET-41472) have been fixed in this update.