Logging at level: debug 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-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... Generating: JekyllOptionalFrontMatter::Generator finished in 2.673e-05 seconds. Generating: JekyllReadmeIndex::Generator finished in 0.000889486 seconds. Generating: Jekyll::Paginate::Pagination finished in 3.327e-06 seconds. Generating: JekyllRelativeLinks::Generator finished in 0.002623856 seconds. Generating: JekyllDefaultLayout::Generator finished in 0.005431684 seconds. Generating: JekyllTitlesFromHeadings::Generator finished in 1.578e-05 seconds. Rendering: src/404.md Pre-Render Hooks: src/404.md Rendering Liquid: src/404.md github-pages 228 | Error: Liquid syntax error (line 1): Unknown tag 'block'