Second Post

Added manually. Used --- instead of +++ in front matter. Does that matter?

Yes. I see it does.

 assemble: [1;36m"/home/bill/Desktop/hugo-demo/content/posts/second.md:1:1"[0m: failed to unmarshal YAML: yaml: unmarshal errors:   line 1: cannot unmarshal !!str `title =...` into map[string]interface {} 

/home/bill/Desktop/hugo-demo/content/posts/second.md:1:1:

title = 'Second'
date = 2023-12-04T11:06:50-05:00
draft = false

hugo v0.120.4-f11bca5fec2ebb3a02727fb2a5cfb08da96fd9df+extended linux/amd64 BuildDate=2023-11-08T11:18:07Z VendorInfo=snap:0.120.4

Change to +++.

Things must have changed since the demo YT video was made. At that time --- was used around front matter. (UPDATE: See Third).