SNAPSHOTNOV4, Cannot downgrade (to V4) while snapshots are in progress. Currently ssss snapshots are in progress for region rrrr.
Mupip error: A request to downgrade a region to V4 occurred while a snapshot is in progress.
Action: Wait for a currently active process using snapshots to complete before running the downgrade. Since a downgrade to V4 would not normally be expected, check to verify that the downgrade invocation is appropriate.