Steps to replicate the issue (include links if applicable):
- Disable this preference:
- Go to page with add languages button e.g. https://en.wikipedia.org/w/index.php?title=User_talk:Jdlrobson
- Click the "Add languages" button
What happens?:
An empty dialog appears
What should have happened instead?:
Some better kind of fallback. Perhaps we could use SkinAfterPortlet to add a more meaningful message.