class_docstr: Exception indicating processor or processor registration failure 
class_docstr_tok: ["Exception","indicating","processor","or","processor","registration","failure"]
code: def __init__(self, processor_class, expected_parent):
      self._processor_class = processor_class
      self._expected_parent = expected_parent
      self.build_message()
  
imports: from abc import ABC, abstractmethod
  from stanza.models.common.doc import Document
  from stanza.pipeline.registry import NAME_TO_PROCESSOR_CLASS, PIPELINE_NAMES, PROCESSOR_VARIANTS
label_desc: Use image node_id 1 to create a new ProcessorRegisterException object from inherited base classes: Exception with example: obj = ProcessorRegisterException(processor_class, expected_parent)