Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-guides/TRaSH-Guides/commits/commit/b3646adffc23dba78af53b8c6b82af839353f18e/Radarr/V3/Radarr-setup-custom-formats/index.html
You should set ROOT_URL correctly, otherwise the web may not work correctly.