How To Fix RS_PSA_DEP079 - Conversion of DataSource &1 (&2) refused because of altered M version

RS_PSA_DEP079 - Overview

• Message type: E = Error

• Message class: RS_PSA_DEP -

• Message number: 079

• Message text: Conversion of DataSource &1 (&2) refused because of altered M version

What causes this issue?

Changes have been made to DataSource &V1& (Logsys &V2&)<(>,<)> which
have not been activated. This can lead to potentially unwanted results
during conversion.

System Response

The conversion is not performed.

How to fix this error?

You need to activate the DataSource before starting the conversion.

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 RS_PSA_DEP079 - Conversion of DataSource &1 (&2) refused because of altered M version ?

  The SAP error message RS_PSA_DEP079 indicates that there is an issue with the DataSource version in the context of the Persistent Staging Area (PSA) in SAP BW (Business Warehouse). This error typically occurs when there is a mismatch between the version of the DataSource in the source system and the version that is currently defined in the BW system.
  
  Cause:
  The error is caused by one of the following reasons:
  
  DataSource Version Change: The DataSource in the source system has been altered (e.g., fields added, removed, or changed) after it was initially replicated into the BW system. This change results in a version mismatch.
  Replication Issues: The DataSource may not have been replicated correctly after the changes were made in the source system.
  Inconsistent Metadata: The metadata in the BW system does not match the current structure of the DataSource in the source system.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check DataSource Version:
  
  Go to