text: class ConversionNotSupported(Exception):
      pass
  
  
  class TargetAttributeNotRetrieved(Exception):
      pass
  
  
  class UnknownService(Exception):
      pass
  
  
  class UnknownSpectraFormat(Exception):
      pass
  
  
  class SourceAttributeNotAvailable(Exception):
      pass
  
  
  class ServiceNotAvailable(Exception):
      pass
  
  
  class UnknownResponse(Exception):
      pass
  