Cannot read properties of undefined (reading 'frontmatter')

[olgabot]

The previous error (#40) is fixed, and I have a new error, yay!

I'm able to get authors:sync and articles:sync to work:

However, for the Articles, only the fields of Title, Status, Venue, ID, and Authors get populated, even though the rest are created in models/article.ts:

paperpile-notion/src/models/article.ts

Line 41 in 81b4001

const Topics = makeMultiSelect(bib.topics)

Here's the error from paperpile-notion articles:sync references.bib -c .config/paperpile-notion/config.js:

Yifang Hu TypeError: Cannot read properties of undefined (reading 'frontmatter')
    at /usr/local/lib/node_modules/@jmuchovej/paperpile-notion/dist/models/article.js:89:50
    at Array.map (<anonymous>)
    at prepareBibTeXForNotion (/usr/local/lib/node_modules/@jmuchovej/paperpile-notion/dist/models/article.js:87:46)
    at /usr/local/lib/node_modules/@jmuchovej/paperpile-notion/dist/commands/articles/sync.js:17:61
    at /usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:928:11
    at /usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:4967:15
    at baseForOwn (/usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:3032:24)
    at /usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:4936:18
    at baseReduce (/usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:925:5)
    at Function.reduce (/usr/local/lib/node_modules/@jmuchovej/paperpile-notion/node_modules/lodash/lodash.js:9749:14)
Found 5121 articles in BibTeX and 2353 on Notion...
Creating... 2768
Updating... 2353
 ›   Error: We've been rate limited. Please run again in ~20 minutes.

Any ideas? Maybe it's frontmatter as referenced by this articles/sync.ts file?

paperpile-notion/src/commands/articles/sync.ts

Line 100 in b7338b6

const ID = richTextAsPlainText(page.frontmatter.ID)

Thank you so much!