Special:Badtitle/NS90:Forum:Tech Wishlist And Bug Reports/persistent "Internal error"

A page gives error despite refresh, even though the rest of wiki seems to work normally, even editing. Number and time change, but the error persists https://allthetropes.miraheze.org/wiki/Ultraman_Mebius [1234ABCD] 2015-12-14 10:18:11: Fatal exception of type "MWException"