Board Thread:Support Requests - Getting Technical/@comment-6475116-20150618003829/@comment-24473195-20150618140402

This line is the culprit :

{{#ifexist:{{{1}}}|{{{2|{{{1}}}}}}

Whenever one uses ifexist, it automatically links to a page, regardless of whether it exists or not. You can fix it using the API to query whether the page exists or not, either that or ajax( see this).