システム：OS：Linux（Debian）rails：3.1.4 ruby：1.9.3p194 rvm：1.14.5
キュウリ：1.2.1キュウリレール：1.3.0
以下をインストールしていますが、アプリのホームディレクトリで以下を実行しようとすると、次のようになります。
きゅうりすくい--trace
次のエラーが発生します。
/home/user/.rvm/rubies/ruby-1.9.3-p194/bin/ruby -S bundle exec cucumber --profile default
Using the default profile...
No such file to load -- feedable (LoadError)
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:306:in `rescue in depend_on'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:301:in `depend_on'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.1.4/lib/active_support
/dependencies.rb:214:in `require_dependency'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:417:in `block (2 levels) in eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:416:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:416:in `block in eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:414:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/engine.rb:414:in `eager_load!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/application/finisher.rb:51:in `block in <module:Finisher>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:30:in `instance_exec'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:30:in `run'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:55:in `block in run_initializers'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:54:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/initializable.rb:54:in `run_initializers'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/application.rb:96:in `initialize!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails/application.rb:15:in `initialize!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/railties-3.1.4/lib/rails/railtie/configurable.rb:30:in `method_missing'
/var/www/currienet/config/environment.rb:5:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails.rb:7:in `require'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-rails-1.3.0/lib/cucumber/rails.rb:7:in `<top (required)>'
/var/www/currienet/features/support/env.rb:7:in `require'
/var/www/currienet/features/support/env.rb:7:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/rb_support/rb_language.rb:129:in `load'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/rb_support /rb_language.rb:129:in `load_code_file'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:171:in `load_file'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:83:in `block in load_files!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:82:in `each'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime/support_code.rb:82:in `load_files!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime.rb:175:in `load_step_definitions'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/runtime.rb:40:in `run!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/cli/main.rb:43:in `execute!'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/lib/cucumber/cli/main.rb:20:in `execute'
/home/user/.rvm/gems/ruby-1.9.3-p194/gems/cucumber-1.2.1/bin/cucumber:14:in `<top (required)>'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/cucumber:19:in `load'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/cucumber:19:in `<main>'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `eval'
/home/user/.rvm/gems/ruby-1.9.3-p194/bin/ruby_noexec_wrapper:14:in `<main>'
rake aborted!
Command failed with status (1): [/home/user/.rvm/rubies/ruby-1.9.3-p194/bin...]
「フィード可能」とは何か、どこにロードされているのかわかりません。2つのエラーメッセージをグーグルで検索しても、答えは得られませんでした。