Why doesn't MODx return a 404 error?

Question

PHP

There is a site on MODx and links for example site.ru/about, the problem is that if you write site.ru/ABOUT the same page opens, although there should be a 404 error, that is, MODx is case insensitive, how to make this hollow work fine ? )

Answer 1

In the system settings there is a column about the 404 page, you need to insert the id of the page that will be displayed there.