2724166 - RFC connection from SAP Cloud Platform to On-premise system fails - CpicCommunicationException: <logon group> group not found

The RFC connections from SAP Cloud Platform to on-premise system fails.

In SCC CPIC trace, Group name can be identified as below:

      LgIGroupX: host=xxxx serv=xx group=ZZ (type=0)
      LgIGroupX: ZZ not stored, retrieve info from msg server (xxxx/xx)

The SAP Cloud Connector logged this entry with Error severity level:

#ERROR#com.sap.scc.protocol.rfc#RfcPool_1_Thread_10#0xaabbccdd#RFC call exception at action: OPEN_REQUEST
com.sap.scc.jni.CpicCommunicationException: LG group not found
at com.sap.scc.jni.CpicConnection.connectOverMS(Native Method)
at com.sap.scc.jni.CpicConnection.<init>(CpicConnection.java:110)
at com.sap.scc.protocol.rfc.CpicConnectionFactory.createConnection(CpicConnectionFactory.java:13)
at com.sap.scc.protocol.rfc.CpicConnectionsManager.openConnection(CpicConnectionsManager.java:23)
at com.sap.scc.protocol.rfc.RfcRuntime.openConnection(RfcRuntime.java:472)
at com.sap.scc.protocol.rfc.RfcProtocolProcessor.processBlock(RfcProtocolProcessor.java:154)
at com.sap.scc.protocol.rfc.RfcProtocolProcessorRunnable.run(RfcProtocolProcessorRunnable.java:130)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)

The command lgtst -H <host name of message server>  -S sapms<SID> does not return the ZZ group:

lgtst -H abcdmsgserver  -S sapmsMSS

list of selectable logon groups with favorites
------------------------------------------------
[PUBLIC] [10.10.10.10] [3200] [700]
[SPACE] [10.10.10.10] [3200] [700]

• SAP Cloud Platform
• SAP Cloud Connector

group not found, CpicCommunicationException, RFC destination, RFC, SAP Cloud Connector, SCC , KBA , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , BC-MID-CON-JCO , Java-Connector , BC-CST-LG , Logon group based load balancing , How To