Need to modify functions.php

This is a very unfortunate review. Themes need to declare support for MAS Videos plugin to be able to work. Here is the code for that adds support for MAS Videos. You need to add this to your child theme’s functions.php:

https://gist.github.com/ibndawood/47c832d5e2124322b0bd70fbb5bbf772

This step is required so that your website does not crash. It’s a safety mechanism.