def setErrorMessage(self, errorMessage):
        self._errorMessage = errorMessage
Deletes all states in this flow and dequeues all client messages.
dataset/ETHPy150Open rwl/muntjac/muntjac/data/validators/null_validator.py/NullValidator.setErrorMessage--crossover with--dataset/ETHPy150Open google/grr/grr/lib/queue_manager.py/QueueManager.DestroyFlowStates