GitHub Pages
GitHub Pages Jekyll build failed because a file is not properly UTF-8 encoded
GitHub Pages could not build the Jekyll site because one of the content or data files uses an encoding that Jekyll does not accept.
GitHub Pages
GitHub Pages could not build the Jekyll site because one of the content or data files uses an encoding that Jekyll does not accept.
Observed message
File is not properly UTF-8 encoded
Why it happens
How to fix it
Official reference
GitHub Docs: Troubleshooting Jekyll build errors for GitHub Pages sitesRelated errors
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