A30 DUPLICATE KEY ENCOUNTERED
Explanation
IMS Index Builder detected duplicate keys for an index that does not support duplicate keys.
User response
Investigate the database definition and the source of the index data for inconsistency.
IMS Index Builder creates a data set job_key DUPLKEYS that contains the duplicate records to aid in analysis.
hlq is the user specified dataset class.
dbdname is the index dbdname being processed.
job_key is generated for uniqueness.