How To Fix CN379 - Purchase requisition(s) for external act./element already archived in MM

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 379

• Message text: Purchase requisition(s) for external act./element already archived in MM

Self-Explanatory Message

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• What is the cause and solution for SAP error message CN379 - Purchase requisition(s) for external act./element already archived in MM ?

  The SAP error message CN379 indicates that there are purchase requisitions related to an external activity or element that have already been archived in the Materials Management (MM) module. This typically occurs when you attempt to process or reference purchase requisitions that are no longer available in the active database because they have been archived for data management purposes.
  Cause:
  
  Archiving Process: The purchase requisitions have been archived as part of the data management process in SAP. This is often done to improve system performance and manage data volume.
  Reference to Archived Data: The system is trying to access or manipulate purchase requisitions that are no longer in the active database.
  
  Solution:
  
  Check Archiving Status: Verify if the purchase requisitions in question have indeed been archived. You can do this by checking the archiving logs or using transaction codes like SARA (Archive Administration) to see the status of archived documents.
  Restore Archived Data: If you need to access the archived purchase requisitions, you may need to restore them from the archive. This can be done using the same transaction (SARA) or by consulting with your SAP Basis team to assist with the restoration process.
  Create New Purchase Requisitions: If the archived requisitions are no longer needed, consider creating new purchase requisitions for the required activities or elements.
  Review Archiving Policies: If this issue occurs frequently, review your archiving policies and procedures to ensure they align with your business needs. You may need to adjust the archiving settings to retain certain data longer if it is still needed for ongoing processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SARA: For managing archiving objects.
  ME53N: To display purchase requisitions.
  ME51N: To create new purchase requisitions.
  
  
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address specific issues.
  Documentation: Review SAP documentation on archiving processes and best practices to understand how to manage data effectively.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the MM module for further assistance.