Running CA IDMS REORG and failing with error messages:
DC208001 IDMS job abending with abend code 2721
UT000021 Record record_name not found in subschema subschema_name
Release : 19.0
Component : CA IDMS/DB
The error indicates that the subschema named in the message is missing a record that exists in the other subschema used in the REORG.
Run IDMSLOOK against both subschemas used in the REORG to confirm the record is missing.
The record needs to be added to the subschema and re-generated.
See the IDMS messages documentation on message UT000021