def BuildApprovalUrn(self):
    raise NotImplementedError()
Check that msg_kind is a valid error.
dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/security.py/AbstractApprovalWithReason.BuildApprovalUrn--crossover with--dataset/ETHPy150Open lyda/chkcrontab/chkcrontab_lib.py/LogCounter.ValidMsgKind