https://bugzilla.wikimedia.org/show_bug.cgi?id=55204
--- Comment #1 from Kunal Mehta (Legoktm) legoktm.wikipedia@gmail.com --- The problem here is that someone used [[en:blah]] to link somewhere instead of [[:en:blah]]. This one could have been spotted because [[en:blah|fdafdsa]] never is an interwiki link.