Thread:NoWayThisUsernameIsAlreadyOwnedBySomeone/@comment-24335865-20150627143737/@comment-26143371-20150712132851

Ah, I found the problem, you can either add it to "common.js" on this wiki (it then will only be available on this wiki) or you can add it to "global.js" on community central (then the box will be available on all wikis you edit).