# How it works

> The pages in How it works, part of Xi's Multiversion UI Lib wiki.

URL: https://xichil.dev/wiki/xis-mvui/v1/mechanics/

- [When a menu stops working](https://xichil.dev/wiki/xis-mvui/v1/mechanics/menu-errors/index.md): How the library keeps one mod's broken menu from affecting the game or other mods' menus, what you see when it happens, and how to get it back.