How To Fix MMPUR_INTEGRATION_OA034 - Invalid external reference &1 passed and not matching with document &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MMPUR_INTEGRATION_OA - Message class for Purchase Contract Integration

• Message number: 034

• Message text: Invalid external reference &1 passed and not matching with document &2.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MMPUR_INTEGRATION_OA034 - Invalid external reference &1 passed and not matching with document &2. ?

  The SAP error message MMPUR_INTEGRATION_OA034 indicates that there is an issue with an external reference that has been passed to the system, which does not match the expected document. This error typically occurs in the context of integration scenarios, such as when dealing with purchase orders, invoices, or other procurement-related documents.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect External Reference: The external reference (e.g., a purchase order number or invoice number) provided does not match any existing document in the SAP system.
  Data Synchronization Issues: If the external system (e.g., a third-party application) is not properly synchronized with SAP, it may send outdated or incorrect references.
  Configuration Issues: There may be configuration settings in the integration setup that are not correctly aligned, leading to mismatches.
  Document Deletion or Changes: The document that the external reference points to may have been deleted or modified, causing the reference to become invalid.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Verify External Reference: Check the external reference being passed to ensure it is correct and corresponds to an existing document in SAP.
  Check Document Status: Ensure that the document (e.g., purchase order or invoice) is still valid and has not been deleted or changed.
  Review Integration Configuration: Examine the integration settings between SAP and the external system to ensure they are correctly configured.
  Data Synchronization: If applicable, ensure that data synchronization processes between the systems are functioning correctly and that the latest data is being used.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that may provide additional context for the issue.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT team for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like ME23N (Display Purchase Order) or ME2N (Purchase Orders by PO Number) to verify the existence and status of the document.
  Integration Tools: If you are using middleware (like SAP PI/PO or SAP CPI), check the integration flow and mappings to ensure that the data is being processed correctly.
  Documentation: Review SAP documentation related to the specific integration scenario you are working with, as it may provide additional insights or troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.