Error Occurs when Converting a PowerPoint Presentation File to PDF in C#

Aspose.Slides Product Family
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1

When I try to convert some pptx files an error occurs:

Object reference not set to an instance of an object. -    at   .(Presentation , Stream , InterruptionToken )
   at Aspose.Slides.Presentation.(Stream , Boolean )
   at Aspose.Slides.Presentation.(Stream , Boolean )
   at Aspose.Slides.Presentation.(String , Boolean )
   at Aspose.Slides.Presentation.(String )
   at Aspose.Slides.Presentation..ctor(String file)
   at SEPDFConverter.Converters.PowerPointConverter.Convert() in /src/SEPDFConverter/Converters/PowerPointConverter.cs:line 11
   at SEPDFConverter.Converters.Converter.Convert(PDFConversionConfiguration config) in /src/SEPDFConverter/Converters/Converter.cs:line 22
   at SEPDFConverter.Service.ConverterService.Convert() in /src/SEPDFConverter/Service/ConverterService.cs:line 155
2

@everaldo,
Thank you for contacting support.

Please check your results using the latest version of Aspose.Slides if it is possible. If the issue persists, please share the following data and information:

  • presentation file (you can zip the file and upload it here)
  • code example that reproduces the error
  • OS version on which the code was executed
  • .NET target platform in your app
  • Aspose.Slides version you used
4

@everaldo,
I was unable to reproduce the error you encountered. Please share the rest of the information I mentioned above.

5

I updated to the latest version of Aspose.Slides and it solved the problem.

Thank you.

6

@everaldo,
We are glad to know that the issue has been resolved on your end. Thank you for using Aspose.Slides.