code: def prepend(self, error_message):
          
          self.problems = error_message.problems + self.problems
          self.details = error_message.details + self.details
          self.suggestions = error_message.suggestions + self.suggestions
  
          new_tracebacks = error_message.tracebacks
          new_tracebacks.items.extend(self.tracebacks.items)
          self.tracebacks = new_tracebacks
docs: Add an ErrorMessage to the beginning of the queue.
  
          Tracebacks are not prepended.
  
          :param error_message: An element to add to the message.
          :type error_message: ErrorMessage