I'm trying to add new doc to apache kylin
jekyll 2.5.3 | Error: undefined method `post_read' for class `Jekyll::Document' And this is true: https://github.com/jekyll/jekyll/blob/master/lib/jekyll/document.rb I used: git init git clone -b document --single-branch git://git.apache.org/kylin.git cd … website jekyll server install: gem uninstall --all sudo gem install jekyll --version "=2.5.3" sudo gem install bundler sudo gem install jekyll-multiple-languages kramdown rouge versions: ruby 2.3.1p112 jekyll 2.5.3