We're sorry GroupDocs doesn't work properply without JavaScript enabled.

Free Support Forum - groupdocs.com

HTML to PPTX conversion error - Value cannot be null. (Parameter 'key')

Dotnet core 3.1 on macOS
When I run the project I get this error message - Value cannot be null. (Parameter ‘key’). Repo attached GroupDocs.Conversion.ErrorSample.zip (9.4 KB)

@caladinsere

We are investigating this issue with ticket ID CONVERSIONNET-4841. You’ll be notified in case of any update.