text: class AbridgerError(Exception):
      pass
  
  
  class ConfigFileLoaderError(AbridgerError):
      pass
  
  
  class IncludeError(ConfigFileLoaderError):
      pass
  
  
  class DataError(ConfigFileLoaderError):
      pass
  
  
  class FileNotFoundError(ConfigFileLoaderError):
      pass
  
  
  class DatabaseUrlError(AbridgerError):
      pass
  
  
  class ExtractionModelError(AbridgerError):
      pass
  
  
  class UnknownTableError(AbridgerError):
      pass
  
  
  class UnknownColumnError(AbridgerError):
      pass
  
  
  class InvalidConfigError(ExtractionModelError):
      pass
  
  
  class RelationIntegrityError(ExtractionModelError):
      pass
  
  
  class GeneratorError(Exception):
      pass
  
  
  class CyclicDependencyError(GeneratorError):
      pass
  