An SQL query may abend with a database error-status of 0308 error if the access path chosen involves keyed index or calc retrieval and a warning, such as string truncation, is issued while processing the key. This abend may occur after the apar associated with IDMS/5398 - RO98682 (18.5) or RO98684 (19.0) is applied.
CA IDMS, r18.5 or r19.0.
This is a bug currently resolved by test APAR ST06884 (r18.5) or ST06860 (r19.0). If either of these APARs are required prior to them being published, please open a support issue.