How To Fix WM427 - Do not list materials with "third-party" source of supply in DC

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 427

• Message text: Do not list materials with "third-party" source of supply in DC

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM427 - Do not list materials with "third-party" source of supply in DC ?

  The SAP error message WM427 ("Do not list materials with 'third-party' source of supply in DC") typically occurs in the context of warehouse management and inventory management processes. This error indicates that the system is preventing the listing or processing of materials that are sourced through third-party suppliers in a distribution center (DC) context.
  Cause:
  The error is triggered when you attempt to perform an action (like creating a delivery, picking, or listing materials) that involves materials with a third-party source of supply. In SAP, third-party sourcing means that the goods are not physically stored in your warehouse but are instead shipped directly from the supplier to the customer. This can lead to complications in warehouse management processes, as the materials are not available in the warehouse for picking or inventory management.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Material Master Data: Verify the material master data for the affected materials. Ensure that the sourcing type is correctly set and that the materials are not intended for third-party processing if they need to be handled in the warehouse.
  
  
  Review Purchase Order Type: If you are working with purchase orders, check the type of purchase order being used. Ensure that it is appropriate for the materials you are trying to process.
  
  
  Adjust Warehouse Management Settings: If you need to handle third-party materials in your warehouse, you may need to adjust your warehouse management settings or processes. This could involve changing how you manage third-party items or ensuring that they are not included in certain warehouse activities.
  
  
  Consult with SAP Support or Functional Team: If the issue persists, it may be beneficial to consult with your SAP support team or functional consultants. They can provide insights into specific configurations or customizations that may be affecting the handling of third-party materials.
  
  
  Training and Documentation: Ensure that users are trained on the correct processes for handling third-party materials and that there is clear documentation on how to manage these items within the SAP system.
  
  
  Related Information:
  
  Third-Party Processing: Understand the implications of third-party processing in SAP, including how it affects inventory management and order fulfillment.
  Warehouse Management (WM) Configuration: Familiarize yourself with the configuration settings in the WM module that pertain to sourcing and inventory management.
  SAP Notes and Documentation: Check SAP Notes for any known issues or updates related to this error message. SAP's official documentation can also provide guidance on best practices for managing third-party materials.
  
  By following these steps and understanding the context of the error, you should be able to address the WM427 error effectively.