ERROR: `modular/in_page_navigation.html.twig` template not found for page: `/game-designer-level-designer/_in-page-navigation`

In Page Navigation

A list of games, released or not, and studios I worked for professionally,

ERROR: `modular/columns.html.twig` template not found for page: `/game-designer-level-designer/_columns`

Works

{% include 'modular/columns_reuse.html.twig' with {'page': page.find('/home/_section-1-gd-ld')} %}