```ruby
require 'rails/generators/base'

module Fabrication::Generators
  class CucumberStepsGenerator < Rails::Generators::Base

    def generate
      template 'fabrication_steps.rb', "features/step_definitions/fabrication_steps.rb"
    end

    def self.source_root
      @_fabrication_source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
    end

  end
end
```

Fix module declaration for cucumber step generator
user
```ruby
require 'rails/generators/base'

module Fabrication
  module Generators
    class CucumberStepsGenerator < Rails::Generators::Base

      def generate
        template 'fabrication_steps.rb', "features/step_definitions/fabrication_steps.rb"
      end

      def self.source_root
        @_fabrication_source_root ||= File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
      end
    end
  end
end
```
assistant