I am working on a page at content/first/index.md that renders fine at http://localhost:1313/first.
Hugo 0.62.1 serving via hugo server -DFw.
I start working on a nested page at content/first/nested/index.md. I visit the browser and it renders at http://localhost:1313/first/nested.
I restart the server. http://localhost:1313/first/nested now returns 404.
Why?
EDIT: Also trying to create content/first/nested.md always returns a 404. This is so unnatural and confusing.