Board Thread:Support Requests - Getting Technical/@comment-267015-20200407161914/@comment-1038387-20200407194841

Yeah, this is a well known technical quirk. Some you can't work around, but I've had cases like this and the interwiki link was disabled for us.

SEO wise, it's better not to use colons in your page titles/urls I'm told, but it that's what it's called, that's what you should name it.