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试图茉莉花添加到我的导轨4项目茉莉花轨宝石不工作，上海社会科学院错误
rails g jasmine:install
/Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:1132:in `module_function': undefined method `singleton_class?' for module `Sass::Util' (NameError)
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:1132:in `block in <module:Util>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:1132:in `each'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:1132:in `<module:Util>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:14:in `<module:Sass>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/util.rb:12:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass/version.rb:2:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/sass-3.3.0.rc.2/lib/sass.rb:9:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/bootstrap-sass-3.0.3.0/lib/bootstrap-sass/sass_functions.rb:1:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `block in require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:213:in `load_dependency'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/activesupport-4.0.0/lib/active_support/dependencies.rb:228:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/bootstrap-sass-3.0.3.0/lib/bootstrap-sass.rb:7:in `load!'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/bootstrap-sass-3.0.3.0/lib/bootstrap-sass.rb:76:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:76:in `require'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:72:in `each'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:72:in `block in require'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:61:in `each'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler/runtime.rb:61:in `require'
from /Users/harrymoreno/.rvm/gems/[email protected]/gems/bundler-1.5.1/lib/bundler.rb:131:in `require'
from config/application.rb:7:in `<top (required)>'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/railties-4.0.0/lib/rails/commands.rb:44:in `require'
from /Users/harrymoreno/.rvm/gems/ruby-2.1.0/gems/railties-4.0.0/lib/rails/commands.rb:44:in `<top (required)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
的Gemfile
source 'https://rubygems.org'
ruby '2.1.0'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.0.0'
# Use sqlite3 as the database for Active Record
#gem 'sqlite3'
gem 'pg'
gem 'devise'
gem 'font-awesome-rails'
gem 'bootstrap-sass', '~> 3.0.3.0'
gem 'simple_form', git: 'https://github.com/plataformatec/simple_form.git'
gem 'carrierwave'
gem 'fog', '~> 1.3.1'
gem 'mini_magick'
gem 'rails_12factor'
gem 'friendly_id', '~> 5.0.0'
gem 'feedzirra'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 4.0.0'
gem 'bourbon'
group :development do
gem 'sass-rails-source-maps'
end
group :development, :test do
gem 'jasmine'
end
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .js.coffee assets and views
gem 'coffee-rails', '~> 4.0.0'
# See https://github.com/sstephenson/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails', '~> 3.0'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
# gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 1.2'
group :doc do
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', require: false
end
# Use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'
# Use unicorn as the app server
# gem 'unicorn'
# Use Capistrano for deployment
# gem 'capistrano', group: :development
# Use debugger
# gem 'debugger', group: [:development, :test]
任何想法后，我发现了以下错误是什么问题可能是？