{"record":{"id":"f5463290c4ba8a97","repo":"puppetlabs/puppet","slug":"invalid-input-ext-no-is-not-a-valid-extension","errorCode":null,"errorMessage":"Invalid input. %{ext_no} is not a valid extension number","messagePattern":"Invalid input\\. %(.+?) is not a valid extension number","errorType":"exception","errorClass":"SerializationError","httpStatus":null,"severity":"error","filePath":"lib/puppet/pops/serialization/json.rb","lineNumber":275,"sourceCode":"    def read\n      obj = nil\n      loop do\n        raise SerializationError, _('Unexpected end of input') if @etor_stack.empty?\n\n        etor = @etor_stack.last\n        begin\n          obj = etor.next\n          break\n        rescue StopIteration\n          @etor_stack.pop\n        end\n      end\n      if obj.is_a?(Array)\n        ext_etor = obj.each\n        @etor_stack << ext_etor\n        ext_no = ext_etor.next\n        ext_block = @type_registry[ext_no]\n        raise SerializationError, _(\"Invalid input. %{ext_no} is not a valid extension number\") % { ext_no: ext_no } if ext_block.nil?\n\n        obj = ext_block.call(nil)\n      end\n      obj\n    end\n\n    def register_type(extension_number, &block)\n      @type_registry[extension_number] = block\n    end\n\n    private\n\n    def parse_io(io)\n      case io\n      when IO, StringIO\n        ::Puppet::Util::Json.load(io.read)\n      when String\n        ::Puppet::Util::Json.load(io)","sourceCodeStart":257,"sourceCodeEnd":293,"githubUrl":"https://github.com/puppetlabs/puppet/blob/e227c27540975c25aa22d533a52424a9d2fc886a/lib/puppet/pops/serialization/json.rb#L257-L293","documentation":"Error \"Invalid input. %{ext_no} is not a valid extension number\" thrown in puppetlabs/puppet.","triggerScenarios":"Thrown at lib/puppet/pops/serialization/json.rb:275 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"e227c27540975c25aa22d533a52424a9d2fc886a","analyzedAt":"2026-08-21T20:49:46.650Z","schemaVersion":2},"datasetVersion":"2026-08-21T23:17:16.201Z"}