ERROR deprecated: .Site.DisqusShortname was deprecated in Hugo v0.120.0 and will be removed in Hugo 0.133.0. Use .Site.Config.Services.Disqus.Shortname instead

[DazWilkin]

@jmooring has helped me resolve the issue:

1. Create a clean clone of the repo
2. hugo mod get -u ./...

It now builds.

Thank you both very much!