# File lib/chef/exceptions.rb, line 134
        def initialize(message, run_list_item, non_existent_cookbooks, most_constrained_cookbooks)
          super(message)

          @run_list_item = run_list_item
          @non_existent_cookbooks = non_existent_cookbooks
          @most_constrained_cookbooks = most_constrained_cookbooks
        end