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/967fd98959bbf057c14b73113adec99fd9c203f0/Sonarr/sonarr-how-to-update-custom-formats
You should set ROOT_URL correctly, otherwise the web may not work correctly.