gistfile1.txt

ERROR in ./node_modules/css-loader!./node_modules/sass-loader/lib/loader.js!/home/vagrant/Projects/com_oauth_manager/media/com_oauth_manager/sass/layout/_layout.sass
Module build failed: 
$base-font-family: $font-stack-system;
                  ^
      Undefined variable: "$font-stack-system".
      in /home/vagrant/Projects/com_oauth_manager/media/com_oauth_manager/sass/base/_variables.scss (line 2, column 20)
Error: 
$base-font-family: $font-stack-system;
                  ^
      Undefined variable: "$font-stack-system".
      in /home/vagrant/Projects/com_oauth_manager/media/com_oauth_manager/sass/base/_variables.scss (line 2, column 20)
    at options.error (/home/vagrant/Projects/com_oauth_manager/media/com_oauth_manager/js/com_oauthmanager/node_modules/node-sass/lib/index.js:291:26)
 @ /home/vagrant/Projects/com_oauth_manager/media/com_oauth_manager/sass/layout/_layout.sass 4:14-165
 @ ./app/component/App.js
 @ ./app/index.js