How To Fix RS_PSA_DEP042 - Conversion of empty old versions of DataSources not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_PSA_DEP -

• Message number: 042

• Message text: Conversion of empty old versions of DataSources not supported

Self-Explanatory Message

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• What is the cause and solution for SAP error message RS_PSA_DEP042 - Conversion of empty old versions of DataSources not supported ?

  The SAP error message RS_PSA_DEP042 indicates that there is an issue with the conversion of empty old versions of DataSources in the context of the SAP BW (Business Warehouse) system. This typically occurs when you are trying to activate or convert a DataSource that has no data in its old version, which is not supported by the system.
  Cause:
  
  Empty Old Versions: The error is triggered when the system encounters an old version of a DataSource that does not contain any data. This can happen if the DataSource was created but never populated with data, or if the data was deleted.
  DataSource Activation: The error often arises during the activation or conversion process of DataSources, especially when migrating from older versions of SAP BW to newer ones.
  
  Solution:
  To resolve the RS_PSA_DEP042 error, you can follow these steps:
  
  
  Check DataSource Status:
  
  Go to the DataSource in the SAP BW system and check its status. Ensure that it is not in an inactive state.
  
  
  
  Delete Old Versions:
  
  If the old version of the DataSource is empty and not needed, you can delete it. This can be done through the DataSource maintenance transaction (e.g., RSA1).
  Navigate to the DataSource, select the old version, and delete it.
  
  
  
  Recreate DataSource:
  
  If necessary, you can recreate the DataSource. Make sure to configure it properly and ensure that it is set up to pull data correctly.
  
  
  
  Check for Data:
  
  If the DataSource should have data, investigate why it is empty. Check the source system and ensure that data is being extracted correctly.
  
  
  
  Use Transaction RSA3:
  
  You can use transaction RSA3 to test the DataSource and see if it can pull data from the source system. This can help identify if there are issues with the extraction process.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  System Upgrade:
  
  If you are in the process of upgrading your SAP BW system, ensure that all necessary steps are followed according to the upgrade guide provided by SAP.
  
  
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for more details on DataSource management and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to resolve the RS_PSA_DEP042 error and successfully manage your DataSources in SAP BW.