3440815 - Error "There is no SAP Cloud Connector (SCC) connected to your subaccount RFC_COMMUNICATION_FAILURE" 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="Message: Opening connection to backend failed: There is no SAP Cloud Connector (SCC) connected to your subaccount matching the requested tunnel for subaccount \"<Subaccount>\" and SCC location ID \"<Location_ID>\". Check the configuration on SCC and cloud side.\nCode: RFC_COMMUNICATION_FAILURE"
  Please refer to SAP Note 2849542 for more information.
  
  Replication Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: request failed: rc=1, msg="Message: Opening connection to backend failed: There is no SAP Cloud Connector (SCC) connected to your subaccount matching the requested tunnel for subaccount \"<Subaccount>\" and SCC location ID \"<Location_ID>\". Check the configuration on SCC and cloud side.\nCode: RFC_COMMUNICATION_FAILURE"
  Please refer to SAP Note 2849542 for more information. 

Below message will occur if location ID is not set:

• Data Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: request failed: rc=1, msg="Message: Opening connection to backend failed: There is no SAP Cloud Connector (SCC) connected to your subaccount matching the requested tunnel for subaccount \"<Subaccount>\" and SCC location ID, with default value, that is empty string or simply not configured. Check the configuration on SCC and cloud side.\nCode: RFC_COMMUNICATION_FAILURE"
  Please refer to SAP Note 2849542 for more information.
  
  Replication Flows: Cause: ABAP connector(Axino) ABAP connection check FAILED: request failed: rc=1, msg="Message: Opening connection to backend failed: There is no SAP Cloud Connector (SCC) connected to your subaccount matching the requested tunnel for subaccount \"<Subaccount>\" and SCC location ID, with default value, that is empty string or simply not configured. Check the configuration on SCC and cloud side.\nCode: RFC_COMMUNICATION_FAILURE"

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

SAP Datasphere 

RFC_COMMUNICATION_FAILURE, Subaccount mapping, Replication Flow, Data Flow, ABAP, There is no SAP Cloud Connector (SCC), location ID , KBA , DS-DI-CON , Connections , Bug Filed