CMMVC5894E: The FlashCopy consistency group was not deleted because
you are trying to delete consistency group 0 or the name of the consistency
group is not valid.
Explanation
The FlashCopy consistency group was not deleted
because the name of the consistency group is not valid or you are
trying to delete consistency group 0.
User Response
Specify the correct consistency group, and resubmit
the command.