Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-guides/TRaSH-Guides/src/commit/9144f74c85f7298059c106cee22c4763d8b10589/includes/hardlinks/permissions.md You should set ROOT_URL correctly, otherwise the web may not work correctly.
TRaSH-Guides/includes/hardlinks/permissions.md

164 B

Permissions

Recursively chown user and group and Recursively chmod to 775/664

sudo chown -R $USER:$USER /data
sudo chmod -R a=,a+rX,u+w,g+w /data