How To Fix RSDF020 - No valid connection

RSDF020 - Overview

• Message type: E = Error

• Message class: RSDF - Messages: Data Flow Object

• Message number: 020

• Message text: No valid connection

What causes this issue?

Target objects and source objects are an invalid combination for a
connection in the data flow. You cannot create a valid transformation or
a data transfer process. The source object is not a valid subobject of
the target object.

System Response

The connection is not created.

How to fix this error?

Create a connection between two objects that result in a valid
source-target combination.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDF020 - No valid connection ?

  The SAP error message RSDF020, which states "No valid connection," typically occurs in the context of SAP Data Warehousing or when working with SAP BW (Business Warehouse) and its data extraction processes. This error indicates that there is an issue with the connection to the source system or the data source from which data is being extracted.
  Causes of RSDF020 Error
  
  
  Connection 
  Configuration Issues: The connection to the source system may not be properly configured. This could be due to incorrect settings in the RFC (Remote Function Call) destination or the data source configuration.
  
  
  Network Issues: There may be network connectivity problems between the SAP BW system and the source system, preventing a successful connection.
  
  
  Authorization Problems: The user credentials used for the connection may not have the necessary authorizations to access the source system.
  
  
  Source System Down: The source system might be down or not reachable at the time of the data extraction.
  
  
  Transport Layer