3342716 - Error "Could not invoke function RFC_FUNCTION_SEARCH" in S/4HANA On-Premise Connection - SAP Datasphere

This KBA applies to SAP Datasphere connections to ABAP-based On-Premise systems (e.g., S/4HANA, ECC, or BW) via SAP Cloud Connector.

The following error occurs for feature data flow and replication flow when validating connection in SAP Datasphere.

Connection "<connection_name>" couldn’t be established.
- Data flows can’t be used because of errors in the connection.
- Replication flows can’t be used because of errors in the connection.

Data Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: request failed: rc=1, msg="An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" | rfcSDKError[Number:000, RFC_ABAP_EXCEPTION, NO_FUNCTION_FOUND, , , 000, , , , ]. An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" | rfcSDKError[Number:000, RFC_ABAP_EXCEPTION, NO_FUNCTION_FOUND, , , 000, , , , ]. "
Please refer to SAP Note 2849542 for more information. Code:1103002

Replication Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: request failed: rc=1, msg="An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" | rfcSDKError[Number:000, RFC_ABAP_EXCEPTION, NO_FUNCTION_FOUND, , , 000, , , , ]. An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" | rfcSDKError[Number:000, RFC_ABAP_EXCEPTION, NO_FUNCTION_FOUND, , , 000, , , , ]. "
Please refer to SAP Note 2849542 for more information. Code:1103002

Or

Data Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: rfc connection broken: rc=1, msg="An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" : rfcSDKError[Partner signaled an error: Access denied for RFC_FUNCTION_SEARCH on ds.sin.sap.alembic.co.in:sapgw00. Expose the function module in your Cloud Connector in case it was a valid request., RFC_COMMUNICATION_FAILURE, RFC_COMMUNICATION_FAILURE, , , , , , , ]. An Error occurred: Could not get function description for \"RFC_FUNCTION_SEARCH\" : rfcSDKError[An invalid handle 'RFC_CONNECTION_HANDLE' was passed to the API call, RFC_INVALID_HANDLE, RFC_INVALID_HANDLE, , , , , , , ]. "
Please refer to SAP Note 2849542 for more information.

Replication Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: rfc connection broken: rc=1, msg="An Error occurred: Could not invoke function \"RFC_FUNCTION_SEARCH\" : rfcSDKError[Partner signaled an error: Access denied for RFC_FUNCTION_SEARCH on ds.sin.sap.alembic.co.in:sapgw00. Expose the function module in your Cloud Connector in case it was a valid request., RFC_COMMUNICATION_FAILURE, RFC_COMMUNICATION_FAILURE, , , , , , , ]. An Error occurred: Could not get function description for \"RFC_FUNCTION_SEARCH\" : rfcSDKError[An invalid handle 'RFC_CONNECTION_HANDLE' was passed to the API call, RFC_INVALID_HANDLE, RFC_INVALID_HANDLE, , , , , , , ]. "
Please refer to SAP Note 2849542 for more information. 

Or

Cause: ABAP connector (Axino) ABAP connection check FAILED
Details: RFC connection broken: rc=1
Message: "An invalid handle 'RFC_CONNECTION_HANDLE' was passed to the API call"
Code: RFC_INVALID_HANDLE

Or

When creating data flow or replication flow, while browsing the source connection, error appears:

HTTP Status: 500 Internal Server Error
Error Code: connectionbrowse
Technical Message: Failed to fetch the data. Error in getDisConnectionChildren. Failed to get container children for /.

SAP Datasphere

datasphere, dwc, data warehouse cloud, Opening connection to backend failed: LOCATION CPIC (TCP/IP) on local, getDisConnectionChildren , KBA , DS-DI-CON , Connections , Known Error