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Fallback for not existing references does not work since 20.4

we are using on old Templatete with a formular in a pie chart like this
=‘C:\Users\someone\Desktop[NM v2 - Values.xlsx]M&A’!F42

This is saved in pptx like this
‘[1]M&A’!F42Structure’[1]M&A’!G420.5

The Aspose.Slides 20.3 and older shows always the Fallback Value “Structure”.

Now since 20.4 and in the current Version 21.6 we got the following error:
The cell ‘Sheet1’!A2 contains an unsupported formula.

This happens on save Methed
Presentation FPres

FPres.Save(ms, SaveFormat.Pptx);

@Thomas_Meinusch,
Thank you for the issue description. To investigate the error on our side, please share the following:

  • input presentation file
  • comprehensive code example causing the error

This is an example Template
PieChartWithFallback.pptx.zip (33.9 KB)

The exception on save with Aspose looks like this:

bei Aspose.Slides. .()
bei Aspose.Slides. .kke8x56u632qjmq6pcqbamquzfqx5x3v​ ()
bei Aspose.Slides.Charts.ChartDataCell.get_Value()
bei Aspose.Slides.Charts.ChartCategory.get_Value()
bei Aspose.Slides. .(IChartCategoryCollection , )
bei Aspose.Slides. .(IChartCategoryCollection , , ChartData )
bei Aspose.Slides. .(IChartSeries , , , ​ )
bei Aspose.Slides. .(IChart , , ​ )
bei Aspose.Slides. .(IChart , , ​ )
bei Aspose.Slides. .(IChart , , , ​ )
bei Aspose.Slides.​ .(IChart , , )
bei Aspose.Slides. .(IChart , , )
bei Aspose.Slides. .(IChart , , )
bei Aspose.Slides. .(IShape , , , ​ )
bei Aspose.Slides. .(IShape , , , ​ )
bei Aspose.Slides. .(IGroupShape , , , ​ )
bei Aspose.Slides. .(IBaseSlide , , )
bei Aspose.Slides. .(ISlide )
bei Aspose.Slides. .( , ISlide , )
bei Aspose.Slides. .(IPresentation , Stream , PresentationTypeEx , IPptxOptions , InterruptionToken )
bei Aspose.Slides.Presentation.(Stream , PresentationTypeEx , IPptxOptions )
bei Aspose.Slides.Presentation.Save(Stream stream, SaveFormat format, ISaveOptions options)
bei Aspose.Slides.Presentation.Save(Stream stream, SaveFormat format)
bei EfsService.PptxExporter.Generate(XDocument doc, Boolean debugMode, Boolean makePdf, String addPath) in C:\Users…\PptxExporter.cs: Zeile401

@Thomas_Meinusch

After observing the issue on our end, I have created a ticket with ID SLIDESNET-42690 in our issue tracking system to further investigate and resolve the issue. This thread has been linked with the issue so that you may be notified once the issue will be fixed. I also request you to please provide the working sample code reproducing the issue on your end.

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The issues you have found earlier (filed as SLIDESNET-42690) have been fixed in this update.

1 Like