I\'m using Twitter\'s Bootstrap translated to SCSS files. It works in local-development, but when I precompile and push to Heroku (using Cedar stack), I get this:
this solved the issue in heroku at least
just downgrade to sass-rails 3.1.4
group :assets do gem 'coffee-rails', '~> 3.1.1' gem 'uglifier', '>= 1.0.3' gem 'sass-rails', '3.1.4' gem 'bootstrap-sass', '~> 2.0.2' end