Dump suppression

The types of dumps that can be suppressed are:
Suppression of dumps upon successful completion of analysis is the default. (Successful completion is defined as Z Abend Investigator having reached the normal end of analysis, without having abended or issued any S-level messages.) However, when using the following statement under CICS, the transaction dump is only suppressed if this was requested before Z Abend Investigator was invoked, for example by an earlier exit:
This is due to the SUPPRESSED response being passed back to the issuing application program, which if not handled correctly can lead to AEXW abends. See Z Abend Investigator and CICS global user exits for more information on transaction dump suppression and CICS global user exits.
To override the default dump suppression, use either:

Dump suppression should not be confused with suppression of analysis or suppression of fault entry creation (see Real-time exclusion processing).