text: """Definition of Posetta-specific exceptions
  
  Description:
  ------------
  
  Custom exceptions used by Posetta for more specific error messages and
  handling.
  """
  
  
  class PosettaException(Exception):
      pass
  
  
  class CoordSetError(PosettaException):
      pass
  
  
  class NoReaderFound(PosettaException):
      pass
  
  
  class ReaderError(PosettaException):
      pass
  
  
  class WriterError(PosettaException):
      pass
  
  
  class UnknownPackageError(PosettaException):
      pass
  
  
  class UnknownPluginError(PosettaException):
      pass
  