docs: public Error getError() {
  		if(isOk())
  			return error;
  		
  		try {
  			JAXBContext context = JAXBContext.newInstance(Error.class);
  			Unmarshaller unmarshaller = context.createUnmarshaller();
  			
  			StringReader xml = new StringReader(content);
  			if(!content.isEmpty())
  				error = (Error)unmarshaller.unmarshal(new StreamSource(xml));
  		}
  		catch(JAXBException e) {
  			e.printStackTrace();
  		}
  		
  		return error;
  	}