Logging at level: debug Configuration file: /github/workspace/./_config.yml GitHub Pages: github-pages v228 GitHub Pages: jekyll v3.9.3 Theme: jekyll-theme-primer Theme source: /usr/local/bundle/gems/jekyll-theme-primer-0.6.0 Requiring: jekyll-github-metadata Requiring: jekyll-seo-tag Requiring: jekyll-feed Requiring: jekyll-sitemap Requiring: jekyll-seo-tag Requiring: jekyll-coffeescript Requiring: jekyll-commonmark-ghpages Requiring: jekyll-gist Requiring: jekyll-github-metadata Requiring: jekyll-paginate Requiring: jekyll-relative-links Requiring: jekyll-optional-front-matter Requiring: jekyll-readme-index Requiring: jekyll-default-layout Requiring: jekyll-titles-from-headings GitHub Metadata: Initializing... Source: /github/workspace/./ Destination: /github/workspace/./_site Incremental build: disabled. Enable with --incremental Generating... EntryFilter: excluded /Gemfile.lock EntryFilter: excluded /CNAME EntryFilter: excluded /Gemfile Reading: _posts/2021-08-07-markdown-sample.md Generating: JekyllOptionalFrontMatter::Generator finished in 0.000116337 seconds. Generating: JekyllReadmeIndex::Generator finished in 0.001410866 seconds. Jekyll Feed: Generating feed for posts Generating: JekyllFeed::Generator finished in 0.00067188 seconds. Generating: Jekyll::JekyllSitemap finished in 0.000707326 seconds. Generating: Jekyll::Paginate::Pagination finished in 3.707e-06 seconds. Generating: JekyllRelativeLinks::Generator finished in 0.000128859 seconds. Generating: JekyllDefaultLayout::Generator finished in 9.0729e-05 seconds. Generating: JekyllTitlesFromHeadings::Generator finished in 5.6475e-05 seconds. Rendering: 404.md Pre-Render Hooks: 404.md Rendering Liquid: 404.md Rendering Markup: 404.md Requiring: kramdown-parser-gfm Rendering Layout: 404.md Layout source: site github-pages 228 | Error: Liquid syntax error (/github/workspace/_includes/head.html line 10): Unknown tag 'I18n_Headers' included