How To Fix WM520 - Customer & is already assigned to assortment &

WM520 - Overview

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 520

• Message text: Customer & is already assigned to assortment &

What causes this issue?

You want to assign a customer to an assortment for a sales area.
However, this customer is already assigned to the assortment in the
specified sales area.

System Response

A customer can only be assigned to an assortment for a sales area once.

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 WM520 - Customer & is already assigned to assortment & ?

  The SAP error message WM520 typically indicates that a customer is already assigned to an assortment in the system. This can occur in the context of Warehouse Management (WM) or Sales and Distribution (SD) modules when trying to assign a customer to an assortment that is already linked to another customer.
  
  Cause:
  
  Duplicate Assignment: The customer you are trying to assign is already linked to an existing assortment.
  Data Integrity: The system is designed to prevent duplicate assignments to maintain data integrity and avoid confusion in reporting and processing.
  
  Configuration Issues: There may be configuration settings in the assortment management that restrict multiple assignments.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like SE16 or SE11 to check the database tables related to assortments and customers (e.g., T188 for assortments).
  Identify if the customer is already assigned to another assortment.
  
  
  
  Remove Existing Assignment:
  
  If the customer needs to be assigned to a new assortment, you may need to first remove