Return codes for abnormal enclave terminations
As of OS/390® V2R9, the default option for ABTERMENC is ABEND instead of RETCODE. If your program depends on the default behavior of ABTERMENC to be RETCODE, you must change the setting in CEEDOPT (CEECOPT for CICS®). For details about changing CEEDOPT and CEECOPT, refer to z/OS Language Environment Customization.