An agent does not come up. It can affect all kinds of agents. In the log-file, the message
The root cause is still under investigation by our development department.
Release: AUTWAB99000-12.2-Automic Workload Automation-Base Edition
Restart al WPs, one after the other. I.e. stop one WP and start it again. Then do this with the next until all WPs were restarted. Restart the PWP last.
If this is not possible, the agent can be renamed. Then it starts again.