XF 1.4 How to create a custom 404 Error page


Active member
Greetings again :)

Today I wanted to setup a custom 404 error page when a user enters something wrong in our domain (http://mysteriarealms.com) but as of right now, XenForo brings up an error page:

When I want a Custom 404 Error page :) Anyways if you guys can let me know how I can set one up, feel free to comment :D