Error message for pandoc-export org-export-barf-if-invalid-backend: Unknown "nil" backend: Aborting export

Since several years I prefer to generate documents from plain text which I then export to other formats. An crucial part is exporting to formats like PDF, Word or PowerPoint to share with others. Pandoc provides all this and is an awesome tool. The last years the format was Markdown in Dendron in Visual Studio Code where I used the vscode-pandoc plugin to convert markdown documents to Word or PDF.…