2730186 - Get error "no SAP ErrInfo available" when posting document to SAP Backend - Agentry

Users are getting errors at times (not always) when document upload is posting to backend.

The error message is  "

Partner signaled an error: no SAP ErrInfo available return code: RFC_SYS_EXCEPTION (3) error group: 102 key: RFC_ERROR_COMMUNICATION |"

SCC trace log:

ERROR#com.sap.scc.protocol.rfc#RfcPool_1_Thread_938#0x968463ce#RFC call exception at action: RFC_REQUEST
com.sap.scc.jni.CpicCommunicationException: no SAP ErrInfo available
at com.sap.scc.jni.CpicConnection.send(Native Method)
at com.sap.scc.jni.CpicConnection.send(CpicConnection.java:184)
at com.sap.scc.protocol.rfc.RfcRuntime.queueRfcData(RfcRuntime.java:336)
at com.sap.scc.protocol.rfc.RfcProtocolProcessor.processBlock(RfcProtocolProcessor.java:196)
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:836)|

ACE Trace：

com.syclo.sap.component.documentmanagement.steplet.AttachmentCaptureSteplet::throwExceptionToClient::::AttachmentCaptureSteplet - Exception while processing a message: Partner signaled an error: no SAP ErrInfo available |
com.syclo.sap.jco.JCoMessage.checkError(JCoMessage.java:38) |
com.syclo.sap.jco.JCo3ConnectionCloud.execute(JCo3ConnectionCloud.java:203) |
com.syclo.sap.bapi.BAPI.execute(BAPI.java:438) |
com.syclo.sap.bapi.BAPI.run(BAPI.java:232) |
com.syclo.sap.component.documentmanagement.stephandler.BDSDocumentCaptureStepHandler.run(BDSDocumentCaptureStepHandler.java:45) |
com.syclo.sap.component.documentmanagement.steplet.AttachmentCaptureSteplet.execute(AttachmentCaptureSteplet.java:76) |
com.syclo.sap.Steplet.doSteplet(Steplet.java:190) |
Caused by: com.sap.conn.jco.JCoException: (102) JCO_ERROR_COMMUNICATION: Partner signaled an error: no SAP ErrInfo available (remote system is [QE1\|sapqe1\|03]) |
com.sap.conn.jco.rt.MiddlewareJavaRfc.generateJCoException(MiddlewareJavaRfc.java:476) |
com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.execute(MiddlewareJavaRfc.java:1835) |
com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:1134) |
com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:964) |
com.sap.conn.jco.rt.RfcDestination.execute(RfcDestination.java:1590) |
com.sap.conn.jco.rt.RfcDestination.execute(RfcDestination.java:1558) |
com.sap.conn.jco.rt.AbapFunction.execute(AbapFunction.java:319) |
om.syclo.sap.jco.JCoMessageBAPI.run(JCoMessageBAPI.java:17) |
com.syclo.sap.jco.JCo3ConnectionThread.processMessage(JCo3ConnectionThread.java:108) |
com.syclo.sap.jco.JCo3ConnectionThread.call(JCo3ConnectionThread.java:78) |
com.syclo.sap.jco.JCo3ConnectionThread.call(JCo3ConnectionThread.java:15) |
com.sap.core.tenant.service.impl.TenantServiceImpl.execute(TenantServiceImpl.java:125) |
com.sap.cloud.account.impl.TenantContextImpl.execute(TenantContextImpl.java:49) |
com.syclo.sap.jco.ConnectionThreadStarter.run(JCo3ConnectionCloud.java:778) |
com.syclo.agentry.DynamicRunnableThread.run(DynamicRunnableThread.java:21) |
Caused by: RfcException raised by system [QE1\|sapqe1\|03]:
message: Partner signaled an error: no SAP ErrInfo available
return code: RFC_SYS_EXCEPTION (3)
error group: 102
key: RFC_ERROR_COMMUNICATION |

• SAP Work Manager 6.5 (Agentry Cloud)
• SAP Cloud Connector 2.11.1

agentry, scp, scc, cloud connector, sap cloud platform , KBA , MOB-CLD-AGS , HCP Cloud Agentry services , BC-MID-SCC , SAP Cloud Connector On-Demand/On-Premise Connectivity , Problem