We have found out some issues with the specific version of Opencart 3.0.3.5 and 3.0.3.6. 

This  specific extension modification fixes issues regarding the 3rd party extension and  modification of twig templates in Opencart versions 3.0.3.5 and 3.0.3.6. 

How to install and How it works:

Just upload via Extension Installer, go to Modifications and press Refresh twice! Yes, you must press refresh twice to be absolutely sure that it works.

Note: 

Make sure you install a test environment or in demo first. Do not use it in production directly. This extension comes without any warranty. User assumes full responsibility after installing it. We are not responsible for any damages caused by this extension.