Common reasons why XTCATASK abends with:
1) TCA3690 - SPO ERROR: THE USSTAB (XTCAUSS) IS NOT INSTALLED
2) TCA2808 - ABEND S0C4 OCCURRED IN CA VERIFY CONTROL TASK, DUMP WILL BE TAKEN
Release: OSVERW00200-8.5-Verify-Automated Regression Testing-for VTAM Extended Environment
This is usually related to USSTAB (XTCAUSS) not installed, not correctly linked or not activated in VTAM.
Make sure that the steps (as outlined below) in the Installation Guide are followed:
1) If you are running VTAM 4.1 or above and you wish to use the dynamic version of the USS table, change the link edit control card from "INCLUDE USER (XTCAUSS)" to "INCLUDE USER (XTCAUSSD)."
2) Make sure that the load library is concatenated to the VTAMLIB DD statement in the VTAM startup procedure.
3) Refresh the Table in VTAM with the command:
f
net,table,newtab=XTCAUSS,option=load