Error when Loading PPTX: "An Item with the Same Key Has Already Been Added."

Hi,

We have an issue loading the attached PPTX in Slides
Test Presentation_1.zip (268.0 KB)

Error as follows:

Exception (PptxReadException)
Library: Aspose.Slides.
Function: 
Result: -2146233088 (0x80131500)
Message: An item with the same key has already been added.
StackTrace: at Aspose.Slides. .(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…ctor(String file, LoadOptions loadOptions)

Please advise what the issue is and how to resolve. PPTX opens fine in PowerPoint

@GaryO,
Thank you for reporting on the error. I’ve reproduced the problem you described.

We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): SLIDESNET-44660

You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.

Please also share the following additional information if it is possible:

  • OS version on which the code was executed
  • .NET target platform in your app project

The issues you found earlier (filed as SLIDESNET-44660) have been fixed in Aspose.Slides for .NET 24.9 (ZIP, MSI, NuGet, Cross-platform).
You can check all fixes on the Release Notes page.
You can also find the latest version of our library on the Product Download page.