Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/jellyfin/blame/commit/89b1eba249b675f8c3b2f1a29bd2b859ad78cea5/MediaBrowser.Controller/Subtitles/SubtitleResponse.cs
You should set ROOT_URL correctly, otherwise the web may not work correctly.