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/d80eca98b756d6e2308e9689a13c4d2d9e19d7dd/Radarr/V3/Radarr-setup-custom-formats
You should set ROOT_URL correctly, otherwise the web may not work correctly.