How To Fix SOA_SD009 - Combination of logical system and external document ID &1 is not unique.

SAP Error Message - Details

• Message type: E = Error

• Message class: SOA_SD - Messages for SOA Processing in SD

• Message number: 009

• Message text: Combination of logical system and external document ID &1 is not unique.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SOA_SD009 - Combination of logical system and external document ID &1 is not unique. ?

  The SAP error message SOA_SD009 indicates that there is a conflict with the combination of a logical system and an external document ID. This typically occurs in scenarios where SAP is trying to process data that requires a unique identification for a document, but it finds multiple entries that match the criteria.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries in the system for the same logical system and external document ID combination. This can happen due to data import processes, integration issues, or manual data entry errors.
  Incorrect Configuration: There may be issues with the configuration of the logical systems or the way external document IDs are generated or assigned.
  Data Migration Issues: If data has been migrated from another system, it is possible that duplicates were introduced during the migration process.
  
  Solution:
  
  
  Identify Duplicates: 
  
  Use transaction codes like SE16 or SE11 to query the relevant tables (e.g., SOA_DOCUMENT or any custom tables involved) to find duplicate entries for the specified logical system and external document ID.
  You can run a SQL query to check for duplicates based on the logical system and external document ID.
  
  
  
  Remove or Correct Duplicates: 
  
  Once duplicates are identified, you can either delete the unnecessary entries or correct them to ensure that each combination of logical system and external document ID is unique.
  Ensure that you have backups and proper authorization before making any deletions or changes.
  
  
  
  Review Configuration: 
  
  Check the configuration settings for logical systems and external document ID generation to ensure they are set up correctly and are not leading to duplicates.
  If necessary, adjust the settings to prevent future duplicates.
  
  
  
  Data Validation: 
  
  Implement validation checks in your data processing or integration logic to prevent duplicates from being created in the first place.
  
  
  
  Consult Documentation: 
  
  Review SAP documentation or notes related to the specific error message for any additional insights or recommendations.
  
  
  
  Related Information:
  
  Transaction Codes: SE16 (Data Browser), SE11 (Data Dictionary), and SE78 (SAP Archive Link) can be useful for checking data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Integration Scenarios: If this error occurs during an integration scenario (e.g., using SAP PI/PO or SAP Cloud Platform Integration), review the integration mappings and configurations to ensure they are correctly set up.
  
  By following these steps, you should be able to resolve the SOA_SD009 error and ensure that your logical system and external document ID combinations are unique.