A line in the header is malformed
Each line in the header has to be a label, a colon, and a value. This file has a line that forgets the colon.
The pattern
---
weave-script-version: 1
this line has no colon
---
# Phase
The second line of the front matter block is not a `key: value` pair.
What Weave sees
Weave can't read this file. Here is the message it shows so you know what to fix.
{
"code": "invalid-frontmatter",
"message": "Malformed front matter at line 3: \"this line has no colon\".",
"line": 3
}