CASTS0033W ES TSC Service Process data store structure error at block data-store-block, segment data-store-segment.

The ES TSC process has detected a structrual error within the data store block data-store-block at segment (data-store-segment).
System Action:
This segment is marked as invalid. This message will not be issued for any additional errors of this type detected within this block. However, the associated corrective action. will be performed for these errors.
Resolution:
Verify that important data has not been lost.
Module:
castsc
Destination:
Console