How To Fix RSDS242 - Request &1 in PSA &2 is inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 242

• Message text: Request &1 in PSA &2 is inconsistent

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS242 - Request &1 in PSA &2 is inconsistent ?

  The SAP error message RSDS242 indicates that there is an inconsistency in a request in the Persistent Staging Area (PSA) for a specific DataSource. This error typically arises during data extraction processes, particularly when working with SAP BW (Business Warehouse) or SAP BW/4HANA.
  Cause:
  The inconsistency can be caused by several factors, including:
  
  Data Integrity Issues: The data in the PSA might be corrupted or incomplete, leading to inconsistencies.
  Data Transfer Errors: Errors during the data transfer process from the source system to the PSA can result in incomplete or incorrect data being stored.
  Changes in DataSource Structure: If the structure of the DataSource has changed (e.g., fields added or removed) after data has already been loaded into the PSA, it can lead to inconsistencies.
  Manual Interventions: Manual changes to the PSA data or incorrect handling of requests can also lead to inconsistencies.
  
  Solution:
  To resolve the RSDS242 error, you can follow these steps:
  
  
  Check the Request: Identify the specific request (indicated by &1) and the PSA table (indicated by &2) that is causing the issue. Use transaction code RSA1 to access the Data Warehousing Workbench and navigate to the PSA.
  
  
  Analyze the Data: Review the data in the PSA for the specified request. Look for any anomalies or missing data that could indicate corruption or inconsistency.
  
  
  Delete the Inconsistent Request: If the request is indeed inconsistent and cannot be corrected, you may need to delete it from the PSA. This can be done using transaction code RSA3 or directly in the PSA monitor.
  
  
  Reload the Data: After deleting the inconsistent request, you can reload the data from the source system to the PSA. Ensure that the data transfer process is functioning correctly and that there are no errors during the extraction.
  
  
  Check DataSource Configuration: Ensure that the DataSource configuration is correct and that there have been no recent changes that could affect the data structure.
  
  
  Monitor for Future Issues: After resolving the issue, monitor the data loading processes to ensure that similar inconsistencies do not occur in the future.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSA3 (DataSource Monitor), and RSD1 (InfoObject Maintenance).
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Data Quality Checks: Implement data quality checks and validation rules to prevent inconsistencies in the future.
  Documentation: Keep documentation of any changes made to the DataSource or data loading processes to help troubleshoot similar issues in the future.
  
  By following these steps, you should be able to resolve the RSDS242 error and ensure the integrity of your data in the PSA.