How To Fix WN480 - You cannot change the supplier of a retail site customer

WN480 - Overview

• Message type: E = Error

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

• Message number: 480

• Message text: You cannot change the supplier of a retail site customer

What causes this issue?

You have tried to change the value of the <LS>Supplier</> field in the
customer master data of a business partner that is assigned to a retail
site.

System Response

If a business partner is assigned to a retail site, it is not possible
to change any assignments to a customer, a plant, or a supplier.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN480 - You cannot change the supplier of a retail site customer ?

  The SAP error message WN480, which states "You cannot change the supplier of a retail site customer," typically occurs in the context of managing customer data in a retail environment. This error indicates that there is an attempt to change the supplier associated with a retail site customer, which is not allowed due to system constraints or business rules.
  
  Cause:
  
  Data Integrity Rules: SAP enforces certain data integrity rules to maintain consistency in the system. Changing the supplier for a retail site customer may violate these rules.
  Existing Transactions: If there are existing transactions, orders, or contracts associated with the current supplier, the system may prevent changes to avoid inconsistencies.
  Configuration Settings: The system configuration may restrict changes to supplier information for retail site customers to ensure compliance with business processes.
  
  
  Solution:
  
  Review Existing Transactions: Check if there are any open transactions or contracts linked to the current supplier. If so, you may need to close