TypeError: text is not iterable

[esorylul]

16:31:56.740 | TypeError: text is not iterable
16:31:56.740 | at textBlock (/vercel/workpath0/.next/serverless/scripts/build-rss.js:908:26)
16:31:56.740 | at /vercel/workpath0/.next/serverless/scripts/build-rss.js:767:222
16:31:56.740 | at Array.map ()
16:31:56.741 | at mapToEntry (/vercel/workpath0/.next/serverless/scripts/build-rss.js:767:127)
16:31:56.741 | at Array.map ()
16:31:56.741 | at createRSS (/vercel/workpath0/.next/serverless/scripts/build-rss.js:782:33)
16:31:56.741 | at main (/vercel/workpath0/.next/serverless/scripts/build-rss.js:818:145)
16:31:56.741 | at processTicksAndRejections (internal/process/task_queues.js:97:5)

This is my repository NotionBlog