3547811 - Error: "Bean XXX not found on host XXXX" when executing RFC calls to Process Orchestration

The following error can be seen in the PI/PO traces when executing an RFC call from ABAP sender system:

java.lang.RuntimeException: Bean <BAPI_FUNCTION_MODULE> not found on host <GATEWAY_HOST>, ProgId=<PROGRAM_ID> : Object not found in lookup of <BAPI_FUNCTION_MODULE>.
at com.sap.engine.services.rfcengine.RFCDefaultRequestHandler.handleRequest(RFCDefaultRequestHandler.java:138)
at com.sap.engine.services.rfcengine.RFCJCOServer$J2EEApplicationRunnable.run(RFCJCOServer.java:211)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:185)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:302)
Caused by: com.sap.engine.services.jndi.persistent.exceptions720.NameNotFoundException: Object not found in lookup of <BAPI_FUNCTION_MODULE>.
at com.sap.engine.services.jndi.implserver.ServerContextImpl.lookup(ServerContextImpl.java:653)
at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:430)
at com.sap.engine.services.jndi.implclient.ClientContext.lookup(ClientContext.java:714)
at javax.naming.InitialContext.lookup(InitialContext.java:417)
at javax.naming.InitialContext.lookup(InitialContext.java:417)
at com.sap.engine.services.rfcengine.RFCDefaultRequestHandler.handleRequest(RFCDefaultRequestHandler.java:117)
... 5 more

• SAP Process Integration
• SAP Process Orchestration
• SAP Netweaver Java

SAP Process Integration, SAP Process Orchestration, SAP Netweaver Java, RFC call, ABAP sender system, Bean not found, JCo RFC Provider, function module, JCo2 API, JCo3 API, BAPI FM, JNDI, NameNotFoundException, SAP note 1135947, program ID, dispatching configuration, EJB, JCO.Function, ejb-j2ee-engine.xml, JRA application, SM59 destination , KBA , BC-XI-CON-RFC , RFC Adapter , BC-XI-CON-IDO , Idoc Adapter J2EE , BC-MID-CON-JCO , Java-Connector , Problem