puppetlabs/puppet · error · Puppet::Error

Unable to create an instance of #{obj.parent.name}. No mappi

Error message

Unable to create an instance of #{obj.parent.name}. No mapping exists to runtime object

What it means

Error "Unable to create an instance of #{obj.parent.name}. No mapping exists to runtime object" thrown in puppetlabs/puppet.

Source

Thrown at lib/puppet/pops/types/ruby_generator.rb:188

  def class_definition(obj, namespace_segments, bld, class_name, *impl_subst)
    module_segments = remove_common_namespace(namespace_segments, class_name)
    leaf_name = module_segments.pop
    module_segments.each { |segment| bld << 'module ' << segment << "\n" }
    scoped_class_definition(obj, leaf_name, bld, class_name, *impl_subst)
    module_segments.size.times { bld << "end\n" }
    module_segments << leaf_name
    module_segments.join(TypeFormatter::NAME_SEGMENT_SEPARATOR)
  end

  def scoped_class_definition(obj, leaf_name, bld, class_name, *impl_subst)
    bld << 'class ' << leaf_name
    segments = class_name.split(TypeFormatter::NAME_SEGMENT_SEPARATOR)

    unless obj.parent.nil?
      if impl_subst.empty?
        ir = Loaders.implementation_registry
        parent_name = ir.module_name_for_type(obj.parent)
        raise Puppet::Error, "Unable to create an instance of #{obj.parent.name}. No mapping exists to runtime object" if parent_name.nil?
      else
        parent_name = obj.parent.name.gsub(*impl_subst)
      end
      bld << ' < ' << namespace_relative(segments, parent_name)
    end

    bld << "\n"
    bld << "  def self._pcore_type\n"
    bld << '    @_pcore_type ||= ' << namespace_relative(segments, obj.class.name) << ".new('" << obj.name << "', "
    bld << TypeFormatter.singleton.ruby('ref').indented(2).string(obj._pcore_init_hash(false)) << ")\n"
    bld << "  end\n"

    class_body(obj, segments, bld)

    bld << "end\n"
  end

  def class_body(obj, segments, bld)

View on GitHub (pinned to e227c27540)

When it happens

Trigger: Thrown at lib/puppet/pops/types/ruby_generator.rb:188 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/d52ee480c6aabeb1. Report an issue: GitHub.