Board Thread:Support Requests - Designing Your Wiki/@comment-33281220-20180418205507/@comment-9605025-20180419232249

This is why it is generally not a good idea to copy templates from Wikipedia. Wikipedia templates are notorious for superfluous case handling and multiple layers of transclusion.

That being said, this particular template does not appear to be too bad. To address the text centering, Wikipedia uses: This would need to be placed in your wiki's Common.css.

As for the missing template, you need to additionally copy this template. In order for that template to work, you need to copy this Lua module.