How To Fix WN664 - Business partner &2 of plant &1 has different customer in target system

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 664

• Message text: Business partner &2 of plant &1 has different customer in target system

Self-Explanatory Message

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• What is the cause and solution for SAP error message WN664 - Business partner &2 of plant &1 has different customer in target system ?

  The SAP error message WN664 indicates that there is a mismatch between the business partner and the customer data in the target system during a data transfer or migration process. This typically occurs when you are trying to replicate or transfer business partner data from one system to another, and the system detects that the business partner associated with a specific plant has a different customer record in the target system.
  Cause:
  
  Data Inconsistency: The business partner in the source system is linked to a different customer in the target system. This can happen if the customer data was modified or if there are discrepancies in the data between the two systems.
  Configuration Issues: There may be configuration differences between the source and target systems that lead to this inconsistency.
  Data Migration Errors: If data was migrated from one system to another, there may have been errors or omissions during the migration process.
  
  Solution:
  
  Verify Data Consistency: Check the business partner and customer records in both the source and target systems. Ensure that the business partner in the source system is correctly linked to the same customer in the target system.
  Update Records: If discrepancies are found, update the records in the target system to match those in the source system. This may involve creating or modifying customer records in the target system.
  Check Configuration: Review the configuration settings related to business partners and customers in both systems to ensure they are aligned.
  Data Migration Review: If this issue arose during a data migration process, review the migration logs and processes to identify any errors that may have occurred and correct them.
  Consult Documentation: Refer to SAP documentation or support for specific guidelines on handling business partner and customer data synchronization.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as BP (Business Partner) or XD01 (Create Customer) to manage business partner and customer data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving data inconsistencies.
  Data Replication Framework: If you are using the Data Replication Framework (DRF), ensure that the configuration for replication is set up correctly and that the necessary mappings are in place.
  
  By following these steps, you should be able to resolve the WN664 error and ensure that the business partner and customer data is consistent across your SAP systems.