class_docstr: An object that is referenced does not exist
class_docstr_tok: ["An","object","that","is","referenced","does","not","exist"]
code: def __init__(self, object_name: str, reference_name: str):
      super().__init__(object_name)
      self.reference_name: str = reference_name
  
imports: import logging
  import os
  import traceback
  from abc import ABCMeta, abstractmethod
  from pathlib import Path
  from typing import Any, Callable, Dict, List, Mapping, Type, Union
  import toml
  import yaml
label_desc: Use image node_id 1 to create a new UnknownReferenceError object from inherited base classes: InstantiationError with example: obj = UnknownReferenceError(object_name, reference_name)