3342716 - Error "Could not invoke function RFC_FUNCTION_SEARCH" for Data Flows and Replication Flows

(1) When validating a connection, data flows and/or replication flows features are failing due:

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

(2) 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, RFC_COMMUNICATION_FAILURE, getDisConnectionChildren , KBA , DS-DI-CON , Connections , Known Error