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/8e901c2c05b9004a59a95544b49db5a731f54452/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