Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/homepage/src/commit/5a55242522c888f7162cb574219e39e5ab9a3179/docs/widgets/services/mylar.md You should set ROOT_URL correctly, otherwise the web may not work correctly.
homepage/docs/widgets/services/mylar.md

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title description
Mylar3 Mylar3 Widget Configuration

Learn more about Mylar3.

API must be enabled in Mylar3 settings.

Allowed fields: ["series", "issues", "wanted"].

widget:
  type: mylar
  url: http://mylar3.host.or.ip:port
  key: yourmylar3apikey