NetBackup status code: 1915
Message: Cannot delete instance group that contains instances (delete or move instances first)
Explanation: User tries to delete an instance group that contains instances.
Recommended Action: First delete the instances individually by selecting them under the instances node in the NetBackup Administration Console or by using the nboraadm -delete_instances command. After all the instances in the group have been deleted, try again to delete the group.
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