How To Fix WN493 - Error while processing supplier &1; cannot change retail site assignment

WN493 - Overview

• Message type: E = Error

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

• Message number: 493

• Message text: Error while processing supplier &1; cannot change retail site assignment

What causes this issue?

You have started ALE inbound processing of an IDoc for a supplier that
is assigned to a retail site in the target system.
The IDoc field E1LFA1M-WERKS is filled with a different value than the
value in the target system.

System Response

Changing the plant assignment of a supplier that is assigned to a retail
site is not supported. The system stops processing the IDoc.

How to fix this error?

Adapt the data in the source system accordingly.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WN493 - Error while processing supplier &1; cannot change retail site assignment ?

  The SAP error message WN493 indicates that there is an issue with processing a supplier due to restrictions on changing the retail site assignment. This error typically occurs in the context of managing supplier data in the SAP system, particularly when dealing with retail site assignments.
  
  Cause:
  The error can be caused by several factors, including:
  
  Locked or Inactive Supplier: The supplier you are trying to modify may be locked or inactive, preventing any changes to their retail site assignment.
  Incorrect Authorization: The user may not have the necessary authorizations to make changes to the supplier's retail site assignment.
  Data Integrity Issues: There may be inconsistencies or issues with the data related to the supplier or the retail site that need to be resolved before changes can be made.
  System Configuration: Certain configurations in the SAP system may restrict changes to retail site assignments for specific suppliers.
  
  
  Solution:
  To resolve the WN493 error, you can take the following