How To Fix WM491 - Please define 1 assortment as the main assortment for customer &

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 491

• Message text: Please define 1 assortment as the main assortment for customer &

What causes this issue?

You should flag one assortment as the main assortment for each
customer. To do this, you assign the assortment the ranking "1".
This enables you to attribute sales volumes to this assortment in
analyses for materials that are contained in more than one assortment.
You should only assign one such assortment per customer.
Other rankings (> 1) are not currently evaluated in the standard
system, but it is possible to define such rankings for the purpose of
analyses for specific projects by defining RIS user exits.
If you do not select an assortment yourself, the choice of assortment
by the system will be arbitrary.

System Response

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

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM491 - Please define 1 assortment as the main assortment for customer & ?

  The SAP error message WM491 indicates that there is a requirement for defining a main assortment for a specific customer in the Warehouse Management (WM) module. This error typically arises when you are trying to process a transaction that requires an assortment to be defined, but none has been set up for the specified customer.
  Cause:
  The error occurs because:
  
  The customer in question does not have a main assortment defined in the system.
  The system requires a main assortment to be specified for certain operations, such as picking or shipping.
  
  Solution:
  To resolve this error, you need to define a main assortment for the customer. Here are the steps to do this:
  
  
  Access the Assortment Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the relevant menu path for defining assortments. This is usually found under:
  Logistics -> Logistics Execution -> Warehouse Management -> Master Data -> Assortments -> Define Assortments
  
  
  
  
  Define the Assortment:
  
  Create a new assortment or modify an existing one.
  Ensure that you specify the assortment as the "main assortment" for the customer in question.
  
  
  
  Assign the Assortment to the Customer:
  
  Navigate to the customer master data.
  Assign the newly defined assortment as the main assortment for the customer.
  This can typically be done in the customer master record under the sales area data.
  
  
  
  Save Changes:
  
  After making the necessary changes, save the configuration.
  
  
  
  Test the Transaction:
  
  Retry the transaction that previously resulted in the WM491 error to ensure that the issue has been resolved.
  
  
  
  Related Information:
  
  Assortments in SAP: Assortments are used in warehouse management to group products for specific customers or sales areas. They help in managing inventory and ensuring that the right products are available for the right customers.
  Customer Master Data: This is crucial in SAP as it contains all the information related to customers, including their sales data, payment terms, and assortments.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as XD01 (Create Customer), XD02 (Change Customer), and WM01 (Warehouse Management) for efficient navigation.
  
  If you continue to experience issues after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting.