How To Fix WM388 - Not listed - decided by user exit

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 388

• Message text: Not listed - decided by user exit

What causes this issue?

It was decided in a user exit that a material should not be listed for
an assortment.
More detailed information on this does not exist in the standard SAP
system.

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 WM388 - Not listed - decided by user exit ?

  The SAP error message WM388 ("Not listed - decided by user exit") typically occurs in the Warehouse Management (WM) module when a certain condition or criteria for a warehouse process is not met, and the system has been configured to handle this through a user exit. This message indicates that the decision to not list a particular item or process has been made by a user exit, which is a custom enhancement point in SAP.
  Cause:
  
  User Exit Logic: The error is triggered by custom logic implemented in a user exit. This logic may be filtering out certain items or processes based on specific criteria defined by the business requirements.
  Configuration Issues: There may be issues with the configuration of the warehouse management settings that lead to certain items not being processed or listed.
  Data Issues: The data associated with the items or processes may not meet the criteria set in the user exit, leading to the exclusion of those items.
  
  Solution:
  
  Review User Exit Code: Check the code in the user exit that is responsible for the decision-making process. This may involve debugging or reviewing the logic to understand why certain items are being excluded.
  Adjust Configuration: If the user exit is functioning as intended but the configuration is incorrect, adjust the relevant settings in the Warehouse Management module to ensure that the items should be listed.
  Data Validation: Ensure that the data for the items or processes in question is complete and meets the necessary criteria. This may involve checking master data, transaction data, or any other relevant information.
  Consult Documentation: Review any documentation related to the user exit and the specific business logic it implements. This can provide insights into why certain decisions are being made.
  Testing: After making changes, conduct thorough testing to ensure that the issue is resolved and that the user exit behaves as expected.
  
  Related Information:
  
  User Exits: User exits are part of SAP's enhancement framework, allowing developers to add custom functionality without modifying the standard SAP code. They are often used to implement business-specific logic.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator) or SE37 (Function Module) to locate and analyze the user exit.
  SAP Notes: Check SAP Notes for any known issues or updates related to the WM388 error message. SAP frequently releases notes that address specific problems or provide guidance on best practices.
  Support: If the issue persists and cannot be resolved internally, consider reaching out to SAP support or consulting with an SAP expert who specializes in Warehouse Management.
  
  By following these steps, you should be able to identify the cause of the WM388 error and implement a solution to resolve it.