How To Fix WN321 - Customer &1 synchronized with business partner &2. Assignment not poss.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 321

• Message text: Customer &1 synchronized with business partner &2. Assignment not poss.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN321 - Customer &1 synchronized with business partner &2. Assignment not poss. ?

  The SAP error message WN321 indicates that there is an issue with the synchronization between a customer and a business partner. Specifically, it means that the assignment between the customer and the business partner cannot be established or is not possible. This error typically arises in scenarios where the system is trying to synchronize data between the customer master data and the business partner master data.
  Causes:
  
  Inconsistent Data: There may be inconsistencies in the data between the customer and the business partner records.
  Missing Assignments: The necessary assignments or relationships between the customer and business partner may not be set up correctly.
  Data Model Issues: The data model may not support the required relationship due to configuration settings.
  Authorization Issues: There may be authorization issues preventing the synchronization from occurring.
  Technical Errors: There could be technical issues or bugs in the system that are preventing the synchronization.
  
  Solutions:
  
  Check Data Consistency: Verify that the customer and business partner data is consistent. Look for discrepancies in key fields such as names, addresses, or identification numbers.
  Review Assignments: Ensure that the necessary assignments between the customer and business partner are correctly configured in the system. You may need to manually create or adjust these assignments.
  Configuration Settings: Review the configuration settings related to customer and business partner integration. Ensure that the settings allow for the desired relationships.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the synchronization. Check user roles and permissions.
  Transaction Codes: Use transaction codes like BP (Business Partner) and XD01/XD02 (Customer Master) to check and modify the relevant records.
  SAP Notes: Check for any relevant SAP Notes or patches that may address known issues related to this error message.
  Consult Documentation: Refer to SAP documentation for guidance on managing business partners and customer data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to business partner and customer management, such as BP, XD01, XD02, XD03, etc.
  SAP Help Portal: Utilize the SAP Help Portal for detailed documentation on business partner and customer master data management.
  Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a technical issue or bug.
  
  By following these steps, you should be able to identify the root cause of the WN321 error and implement a solution to resolve it.