Logging at level: debug GitHub Pages: github-pages v232 GitHub Pages: jekyll v3.10.0 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 0.008325281 seconds. Generating: JekyllReadmeIndex::Generator finished in 0.012985523 seconds. Generating: Jekyll::Paginate::Pagination finished in 5.741e-06 seconds. GitHub Metadata: Generating for typelevel/typelevel.github.com GitHub Metadata: Calling @client.pages("typelevel/typelevel.github.com", {}) Generating: JekyllRelativeLinks::Generator finished in 0.464472105 seconds. Generating: JekyllDefaultLayout::Generator finished in 0.001774843 seconds. Requiring: kramdown-parser-gfm Generating: JekyllTitlesFromHeadings::Generator finished in 0.009624723 seconds. Rendering: assets/css/style.scss Pre-Render Hooks: assets/css/style.scss Rendering Markup: assets/css/style.scss Rendering: src/404.md Pre-Render Hooks: src/404.md Rendering Markup: src/404.md Rendering Layout: src/404.md Layout source: theme GitHub Metadata: Calling @client.organization("typelevel") GitHub Metadata: Calling @client.repository("typelevel/typelevel.github.com", {:accept=>"application/vnd.github.drax-preview+json"}) Rendering: src/blog/Update-about-sustainability-program.md Pre-Render Hooks: src/blog/Update-about-sustainability-program.md Rendering Liquid: src/blog/Update-about-sustainability-program.md github-pages 232 | Error: Liquid syntax error (line 1): Unknown tag 'author'