Special:Badtitle/NS90:Forum:Tech Wishlist And Bug Reports/Trope Workshop: and Talk:

"Talk" button on Trope Workshop pages links to (empty) "https://allthetropes.miraheze.org/wiki/Trope_Workshop_talk:(title)" pages. throws a "Bad title" error and  displays as a page with its own "Trope_Workshop_talk:Talk:(title)" link.