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-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... Reading: _lessons/14/index.md Reading: _lessons/01/index.md Reading: _lessons/11/index.md Reading: _lessons/10/index.md Reading: _lessons/04/index.md Reading: _lessons/09/index.md Reading: _lessons/06/index.md Reading: _lessons/00/index.md Reading: _lessons/08/index.md Reading: _lessons/12/index.md Reading: _lessons/02/index.md Reading: _lessons/13/index.md Reading: _lessons/03/index.md Reading: _lessons/07/index.md Reading: _lessons/05/index.md Generating: JekyllOptionalFrontMatter::Generator finished in 5.7076e-05 seconds. Generating: JekyllReadmeIndex::Generator finished in 6.96e-05 seconds. Generating: Jekyll::Paginate::Pagination finished in 2.965e-06 seconds. Generating: JekyllRelativeLinks::Generator finished in 2.0699e-05 seconds. Generating: JekyllDefaultLayout::Generator finished in 0.001227419 seconds. Generating: JekyllTitlesFromHeadings::Generator finished in 1.1351e-05 seconds. Rendering: _lessons/00/index.md Pre-Render Hooks: _lessons/00/index.md Rendering Markup: _lessons/00/index.md Requiring: kramdown-parser-gfm Rendering Layout: _lessons/00/index.md Layout source: site github-pages 228 | Error: Liquid syntax error (line 38): 'endif' is not a valid delimiter for unless tags. use endunless