Error During TIBCO Product and Service Catalog Startup

What should I do if I see the following error during TIBCO Product and Service Catalog startup:

JMS-8401: Error interacting with JMS server; review JMS setup. Error code . Additional information: <Linked Exception: BEGIN>

ERROR [stderr] (ServerService Thread Pool - 95) Class: java.net.UnknownHostException

ERROR [stderr] (ServerService Thread Pool - 95) toString(): java.net.UnknownHostException: fc-ems-service

Provide Enterprise Message Service server IP value for EMS_SERVER_URL variable.

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