https://www.ibm.com/docs/en/ims/15.5.0?topic=considerations-use-stae-estae-spie-in-ims-programs
IMS 15.5 - Application programming - Use of STAE or ESTAE and SPIE in IMS programs
IMS uses STAE or ESTAE routines in the control region, the dependent (MPP, IFP, BMP) regions, and the batch regions. In the control region, STAE or ESTAE...
https://knowledge.broadcom.com/external/article/267396/ops3000s-estae-level-1-system-abend-code.html
OPS3000S ESTAE LEVEL 1 SYSTEM ABEND CODE=422 TIME=07:08:07 SEQ=0 CPU=00 ASID=0092 (0011 0011)