我运行了一个捆绑安装，并且由于无法在终端内成功运行 rails s。我是 Rails 新手，并试图在这方面寻求帮助，但没有人能以 101 方式向我解释。出了什么问题 - 看起来这是一个 NameError？
=> Call with -d to detach
=> Ctrl-C to shutdown server
Exiting
/usr/local/rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:230:in `block in constantize': uninitialized constant Use (NameError)
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:229:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.8/lib/active_support/inflector/methods.rb:229:in `constantize'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise.rb:267:in `get'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/mapping.rb:77:in `to'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/mapping.rb:72:in `modules'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/mapping.rb:89:in `routes'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/mapping.rb:156:in `default_used_route'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/mapping.rb:66:in `initialize'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise.rb:301:in `new'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise.rb:301:in `add_mapping'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/rails/routes.rb:208:in `block in devise_for'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/rails/routes.rb:207:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/devise-2.2.3/lib/devise/rails/routes.rb:207:in `devise_for'
from /Users/cfictum/Documents/rails_projects/omrails/config/routes.rb:3:in `block in <top (required)>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:282:in `instance_exec'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:282:in `eval_block'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/actionpack-3.2.8/lib/action_dispatch/routing/route_set.rb:260:in `draw'
from /Users/cfictum/Documents/rails_projects/omrails/config/routes.rb:1:in `<top (required)>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:40:in `block in load_paths'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:40:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:40:in `load_paths'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:16:in `reload!'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:26:in `block in updater'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.8/lib/active_support/file_update_checker.rb:78:in `call'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.8/lib/active_support/file_update_checker.rb:78:in `execute'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:27:in `updater'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/routes_reloader.rb:7:in `execute_if_updated'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application/finisher.rb:66:in `block in <module:Finisher>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/initializable.rb:30:in `instance_exec'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/initializable.rb:30:in `run'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/initializable.rb:55:in `block in run_initializers'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/initializable.rb:54:in `each'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/initializable.rb:54:in `run_initializers'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/application.rb:136:in `initialize!'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/railtie/configurable.rb:30:in `method_missing'
from /Users/cfictum/Documents/rails_projects/omrails/config/environment.rb:5:in `<top (required)>'
from /Users/cfictum/Documents/rails_projects/omrails/config.ru:4:in `block in <main>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb:51:in `instance_eval'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb:51:in `initialize'
from /Users/cfictum/Documents/rails_projects/omrails/config.ru:1:in `new'
from /Users/cfictum/Documents/rails_projects/omrails/config.ru:1:in `<main>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb:40:in `eval'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/builder.rb:40:in `parse_file'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/server.rb:200:in `app'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/commands/server.rb:46:in `app'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/server.rb:301:in `wrapped_app'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/rack-1.4.1/lib/rack/server.rb:252:in `start'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/commands/server.rb:70:in `start'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/commands.rb:55:in `block in <top (required)>'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/commands.rb:50:in `tap'
from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/railties-3.2.8/lib/rails/commands.rb:50:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'