def const_missing(const_name)
    case const_name
    when :Task
      Rake.application.const_warning(const_name)
      Rake::Task
    when :FileTask
      Rake.application.const_warning(const_name)
      Rake::FileTask
    when :FileCreationTask
      Rake.application.const_warning(const_name)
      Rake::FileCreationTask
    when :RakeApp
      Rake.application.const_warning(const_name)
      Rake::Application
    else
      rake_original_const_missing(const_name) ##Line 2503 - error is here
    end
end