How To Fix MMPUR_INTEGRATION_PO010 - Item with external ID &1 already exists - creation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_INTEGRATION_PO - Message class for Purchase Order integration

• Message number: 010

• Message text: Item with external ID &1 already exists - creation not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_INTEGRATION_PO010 - Item with external ID &1 already exists - creation not possible ?

  The SAP error message MMPUR_INTEGRATION_PO010 indicates that there is an attempt to create a purchase order (PO) item with an external ID that already exists in the system. This typically occurs during the integration of purchase orders from an external system into SAP, where the external ID is used to uniquely identify the PO item.
  Cause:
  
  
  Duplicate External ID: The most common cause of this error is that the external ID being used for the new PO item already exists in the SAP system. This can happen if:
  
  The external system has already sent a PO with the same external ID.
  There was a previous attempt to create a PO with that external ID that was not properly completed or was left in a pending state.
  
  
  
  Data Synchronization Issues: If there are synchronization issues between the external system and SAP, it may lead to attempts to create duplicate entries.
  
  
  Incorrect Mapping: If the mapping between the external system and SAP is not set up correctly, it may lead to the same external ID being used for different items.
  
  
  Solution:
  
  
  Check Existing Entries: Verify if the external ID already exists in the SAP system. You can do this by searching for the PO using transaction codes like ME23N (Display Purchase Order) or ME22N (Change Purchase Order).
  
  
  Use a Unique External ID: If the external ID is indeed a duplicate, you will need to generate a new, unique external ID for the new PO item you are trying to create.
  
  
  Review Integration Logic: If you are integrating with an external system, review the logic that generates the external IDs to ensure that they are unique and not reused.
  
  
  Error Handling: Implement error handling in the integration process to catch such errors and provide meaningful feedback to the users or systems involved.
  
  
  Consult Documentation: Check the SAP documentation or consult with your SAP support team for any specific configurations or settings that might be relevant to your integration scenario.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME21N (Create Purchase Order), ME22N (Change Purchase Order), and ME23N (Display Purchase Order) for managing purchase orders.
  Integration Tools: If you are using middleware or integration tools (like SAP PI/PO, SAP CPI, etc.), ensure that they are configured correctly to handle external IDs.
  SAP Notes: Look for any SAP Notes related to this error message for additional insights or patches that may address known issues.
  
  By following these steps, you should be able to resolve the error and successfully create the purchase order item in SAP.