3589747 - Error while creating replication flow

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

HTTP Status: 500 error
Error Code: connectionbrowse
Technical Message: Failed to fetch the data. Error in getDisConnectionChildren. Failed to get container children for /. Cause 0: Not authorized to use the service Code: 99999 

SAP Datasphere

The error indicates a problem with the communication user used in the connection to S/4HANA source system.

Refer to SAP Note 3100673 - SAP Data Intelligence / SAP Datasphere - ABAP Integration - Security Settings 
and ensure all necessary authorizations in the source system are properly maintained.

SAP Note 2981615 - SAP Data Intelligence / SAP Datasphere - ABAP Integration - Security Settings (DMIS, old version)

Error in getDisConnectionChildren, Failed to get container children for /, "Not authorized to use the service Code: 99999", replication flow error , KBA , DS-DI-CON , Connections , Problem