Where to direct Oracle Listener in Red Hat High Availability Cluster with oracledb resource

Issue

rgmanager logs generic error after attempting to start the listener for an oracledb resource:

node1 logger[65299]: Starting service OraGroup
node1 logger[65300]: Starting Oracle ORACLE-PROD
node1 logger[65425]: Started Oracle ORACLE-PROD successfully
node1 logger[65426]: Starting listener LISTENER
node1 logger[65435]: Starting service OraGroup failed
node1 rgmanager[9781]: start on oracledb "OraGroup" returned 1 (generic error)
node1 rgmanager[9781]: #68: Failed to start service:Ora01; return value: 1
node1 rgmanager[9781]: Stopping service service:Ora01
node1 logger[65512]: Stopping service OraGroup
node1 logger[65513]: Stopping Oracle ORACLE-PROD immediate