CA PAM will not start. In the c2o.log file, there is an error:
2018-05-29 15:03:24,060 ERROR [com.optinuity.c2o.workflowengine.C2oWorkFlowEngine] [94-73b8e28fe513] Error While Handling a response. Response is
com.optinuity.c2o.util.C2OException: Invalid response; no flow ID indicated
The EEM installation which is used for CA PAM is restarted and this error was resolved.