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Input validation errors are included in the Map Audit log when SummaryAudit setting is turned ON in the map settings. In environments where map trace is not allowed to capture the validation errors, a map audit log having detailed error information would be the only way to identify and resolve data errors.
Map Audit enhancement is not available in z/OS Batch and CICS environments, but z/OS USS environment generates data validation errors in the map audit log when SummaryAudit is turned ON.
https://www.ibm.com/docs/en/ste/11.0.1?topic=new-whats-in-v11010
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