Reported at https://meta.wikimedia.org/wiki/Research_talk:Increasing_article_coverage/Tool#A_bug and https://meta.wikimedia.org/wiki/Research_talk:Increasing_article_coverage/Tool#Broken_links.
Visit https://recommend.wmflabs.org/ and select Hindi (source) and English (target). Click on the first suggestion. The article title is मानक हिंदी वर्तनी for me. The displayed overlay reads: "झलक दिखाना विफल हुआ" which is translated to "Show thumbnail failed" (according to Google translate). Here are some screenshots.
- Top articles
- First top article
- The first article on Wikipedia
A/C
- Article content should be shown rather than the error message when article thumbnail is clicked.


