How To Fix RSDF022 - Transformation to be applied exists for source and target

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDF - Messages: Data Flow Object

• Message number: 022

• Message text: Transformation to be applied exists for source and target

What causes this issue?

In the data flow, you have connected a source object and a target object
using a link, for which there is already a persistent transformation in
the system.

System Response

Instead of creating a non-persistent transformation, the existing
transformation is added to the data flow.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDF022 - Transformation to be applied exists for source and target ?

  The SAP error message RSDF022 indicates that there is a transformation already defined for the source and target data objects in the Data Warehousing environment. This typically occurs in the context of SAP BW (Business Warehouse) when you are trying to create or modify a transformation between InfoProviders (like DataSources, InfoCubes, or DataStore Objects).
  Cause:
  The error arises when:
  
  You attempt to create a new transformation for a source and target pair that already has an existing transformation.
  There may be an inconsistency in the metadata or configuration of the transformations.
  You might be trying to activate or execute a process that conflicts with an existing transformation.
  
  Solution:
  To resolve the RSDF022 error, you can follow these steps:
  
  
  Check Existing Transformations:
  
  Go to the Transformation maintenance transaction (e.g., RSA1 -> Modeling -> Transformations).
  Look for the existing transformation between the specified source and target objects.
  If you find an existing transformation, you can either modify it or delete it if it is no longer needed.
  
  
  
  Modify the Existing Transformation:
  
  If the existing transformation is not suitable for your needs, you can edit it to accommodate the new requirements.
  
  
  
  Delete Unused Transformations:
  
  If the existing transformation is obsolete or incorrect, you can delete it. Ensure that you have the necessary authorizations to perform this action.
  
  
  
  Check for Inactive Transformations:
  
  Sometimes, transformations may be inactive. You can activate them if they are valid and meet your requirements.
  
  
  
  Review Transport Requests:
  
  If you are working in a transport environment, ensure that the transformations are correctly transported and activated in the target system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to transformations and data modeling for any specific guidelines or updates.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSA1 (Data Warehousing Workbench)
  RSO2 (Transformation Maintenance)
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that might address specific issues related to transformations and this error message.
  
  
  
  Best Practices:
  
  Regularly review and clean up unused or obsolete transformations to avoid conflicts.
  Maintain proper documentation of transformations for better management and troubleshooting.
  
  
  
  By following these steps, you should be able to resolve the RSDF022 error and successfully manage your transformations in SAP BW.