Root Cause: Tasks started with specific start time and start-type cause log-change, even if the task has already ended. In this case, the run-time of the task shows negative values.
Update to a fix version listed below or a newer version if available.
Fix Status: Released
Component(s) : Automation Engine Server & Initial data
Automation Engine 12.1.0 - Available
Automation Engine 12.0.3 - Available
Automation Engine 11.2.6 - Available