Root Cause: The content of UC_CAUSE_NR, UC_CAUSE_STATE, UC_CAUSE_RETCODE variables isn't always written in the same format.
Update to the fix version listed below or a newer version if available.
Fix Status: Released
Automation Engine 12.0.0 - Available
Use script function SYS_ACT_PARENT_NR to get the RunId of the activator.