puppetlabs/puppet · error · ArgumentError

TypeSet '#{@name}' references a TypeSet using alias '#{ref_a

Error message

TypeSet '#{@name}' references a TypeSet using alias '#{ref_alias}'. The alias collides with the name of a declared type

What it means

Error "TypeSet '#{@name}' references a TypeSet using alias '#{ref_alias}'. The alias collides with the name of a declared type" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/pops/types/p_type_set_type.rb:160

        ref_na = ref.name_authority || @name_authority
        na_roots = root_map[ref_na]

        ranges = na_roots[ref_name]
        if ranges.nil?
          na_roots[ref_name] = [ref.version_range]
        else
          unless ranges.all? { |range| (range & ref.version_range).nil? }
            raise ArgumentError, "TypeSet '#{@name}' references TypeSet '#{ref_na}/#{ref_name}' more than once using overlapping version ranges"
          end

          ranges << ref.version_range
        end

        if ref_map.has_key?(ref_alias)
          raise ArgumentError, "TypeSet '#{@name}' references a TypeSet using alias '#{ref_alias}' more than once"
        end
        if @types.has_key?(ref_alias)
          raise ArgumentError, "TypeSet '#{@name}' references a TypeSet using alias '#{ref_alias}'. The alias collides with the name of a declared type"
        end

        ref_map[ref_alias] = ref

        @dc_to_cc_map[ref_alias.downcase] = ref_alias
        ref_map[ref_alias] = ref
      end
      @references = ref_map.freeze
    end
    @dc_to_cc_map.freeze
    init_annotatable(init_hash)
  end

  # Produce a hash suitable for the initializer
  # @return [Hash{String => Object}] the initialization hash
  #
  # @api private
  def _pcore_init_hash

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/pops/types/p_type_set_type.rb:160 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of puppetlabs/puppet@e227c27540 (2026-08-21). Data as JSON: /api/errors/8c79a7e6081febf4. Report an issue: GitHub.