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Я пытаюсь следовать руководству по рельсам Майкла Хартла, но всякий раз, когда я выдаю команду сервера rails, возвращается следующая ошибка. Любая помощь приветствуется.Команда Rails Server возвращает ошибку CL
C:\Users\Justin\Documents\rails_projects\first_app>rails server
C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb:81:
in `parse': Illformed requirement ["2.0.0."] (ArgumentError)
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `block in initialize'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `map!'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:106:in `initialize'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:44:in `new'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/requi
rement.rb:44:in `create'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/site_ruby/1.9.1/rubygems/depen
dency.rb:50:in `initialize'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dependency.rb:28:in `initialize'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:58:in `new'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:58:in `gem'
from C:/Users/Justin/Documents/rails_projects/first_app/Gemfile:25:in `e
valuate'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:7:in `instance_eval'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/dsl.rb:7:in `evaluate'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
/lib/bundler/definition.rb:17:in `build'
from C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/bundler-1.0.22
Возможно, в Gemfile у вас есть некорректная версия gem. –