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GitHub Pages failed because of Markdown errors

Markdown errors

GitHub Pages could not build the site because Markdown content contains syntax or formatting issues that break the Jekyll rendering process.

Markdown errorsbuild

Observed message

Markdown errors

Why it happens

  • The Markdown file contains malformed syntax or broken formatting.
  • Markdown content mixes in invalid Liquid or front matter structures.
  • A generated content file contains formatting that Jekyll cannot parse cleanly.

How to fix it

  1. Review the failing Markdown file and validate its syntax locally.
  2. Check nearby front matter and Liquid expressions as well as the Markdown body.
  3. Simplify or correct the content until the file builds locally and on GitHub Pages.

Official reference

GitHub Docs: Troubleshooting Jekyll build errors for GitHub Pages sites

Related errors

Tag not properly closedGitHub Pages failed because a tag was not properly closedTag not properly terminatedGitHub Pages failed because a tag was not properly terminatedSyntax error in 'for' loopGitHub Pages failed because of a Liquid for-loop syntax errorMissing docs folderGitHub Pages build failed because the docs folder is missing

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GitHub Pages Markdown errors: causes and fixes | Error Atlas