How To Fix WM437 - Assortment & cannot be deleted while assignments still exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 437

• Message text: Assortment & cannot be deleted while assignments still exist

What causes this issue?

An assortment cannot be deleted while it is still actively assigned to
assortment users or it still has active listing conditions.
The same applies to deactivating an assortment.

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?

Remove all materials from all assortments and then delete all the
material-to-assortment assignments.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WM437 - Assortment & cannot be deleted while assignments still exist ?

  The SAP error message WM437 ("Assortment & cannot be deleted while assignments still exist") typically occurs in the Warehouse Management (WM) module when you attempt to delete an assortment that still has active assignments or links to other objects in the system. This is a protective measure to prevent data integrity issues.
  Cause:
  The error arises because the assortment you are trying to delete is still being referenced in one or more locations, such as:
  
  Active stock assignments
  Open transfer orders
  Active inventory management documents
  Other related configurations or settings in the system
  
  Solution:
  To resolve this error, you need to identify and remove the existing assignments or references to the assortment before attempting to delete it again. Here are the steps you can take:
  
  
  Check Assignments: 
  
  Use transaction codes like WM03 (Display Storage Bin) or LT23 (Display Transfer Order) to check if there are any active assignments related to the assortment.
  Look for any open transfer orders or stock movements that reference the assortment.
  
  
  
  Delete or Modify Assignments:
  
  If you find any active assignments, you will need to either delete or modify them. This may involve:
  
  Completing or canceling open transfer orders.
  Adjusting stock levels or moving stock to different assortments.
  
  
  
  
  
  Check Inventory Management:
  
  Ensure that there are no inventory documents that are still referencing the assortment. You can use transaction codes like MB51 (Material Document List) to check for any related documents.
  
  
  
  Delete the Assortment:
  
  Once all assignments have been cleared, you can attempt to delete the assortment again using the appropriate transaction code (e.g., WMSA for assortments).
  
  
  
  Consult Documentation:
  
  If you are unsure about the assignments or how to proceed, consult the SAP documentation or your organization's SAP support team for guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP WM, such as:
  
  LT01 (Create Transfer Order)
  LT02 (Change Transfer Order)
  LT03 (Display Transfer Order)
  WM03 (Display Storage Bin)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  
  User Permissions: Ensure that you have the necessary permissions to view and modify assignments in the system.
  
  
  By following these steps, you should be able to resolve the WM437 error and successfully delete the assortment.