Message type: E = Error
Message class: WN - Plant master data maintenance (integrated)
Message number: 459
Message text: Existing business partner &1 with customer &2 will be assigned
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WN459
- Existing business partner &1 with customer &2 will be assigned ?The SAP error message WN459 indicates that there is an existing business partner (BP) that is already associated with a customer number in the system. This typically occurs during the process of creating or modifying a business partner or customer record in SAP, particularly in the context of the SAP Customer Relationship Management (CRM) or SAP S/4HANA systems.
Cause: The error arises when: You are trying to create a new business partner or customer that conflicts with an existing one. The system detects that the business partner you are trying to create or modify is already linked to another customer number. There may be inconsistencies in the data or duplicate entries in the database.
Solution: To resolve the WN459 error, you can take the following steps: Check Existing Business Partners: Use transaction codes like BP (Business Partner) or XD03 (Display Customer) to search for the existing business partner and customer numbers. Verify if the business partner you are trying to
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Existing BP &1 with supplier &2 will be assigned; maintain customer
What causes this issue? You are creating a plant and need to assign a business partner to the plant. The business partner you want to assign has the ...
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