How To Fix WU390 - @4J@Check item cat. No supply sources valid

SAP Error Message - Details

• Message type: E = Error

• Message class: WU - Promotion management messages

• Message number: 390

• Message text: @4J@Check item cat. No supply sources valid

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WU390 - @4J@Check item cat. No supply sources valid ?

  The SAP error message WU390, which states "Check item cat. No supply sources valid," typically occurs in the context of materials management and inventory management processes. This error indicates that the system cannot find valid supply sources for a specific item category in the context of a procurement or inventory transaction.
  Cause:
  
  Item Category Configuration: The item category may not be properly configured in the system. This could mean that the item category does not have any valid supply sources assigned to it.
  Material Master Data: The material master record for the item may not have been set up correctly, particularly in the purchasing or inventory management views.
  Source List: There may be no valid source list entries for the material, or the source list may not be maintained correctly.
  Vendor Master Data: The vendor associated with the material may not be set up correctly or may not be valid for the specific item category.
  Plant or Storage Location Issues: The plant or storage location may not have valid supply sources for the item category.
  
  Solution:
  
  Check Item Category Configuration: Review the configuration of the item category in the system. Ensure that it is set up to allow for valid supply sources.
  Review Material Master Data: Go to the material master record and check the purchasing and inventory management views. Ensure that all necessary fields are filled out correctly and that the item category is appropriate.
  Maintain Source List: If applicable, maintain the source list for the material. Ensure that valid vendors and purchasing info records are set up.
  Vendor Master Data: Verify that the vendor master data is complete and that the vendor is valid for the item category in question.
  Check Plant and Storage Location: Ensure that the plant and storage location settings are correct and that they have valid supply sources for the item category.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MM03 (Display Material), ME01 (Maintain Source List), or ME11 (Create Purchasing Info Record) to check and maintain the relevant data.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to SAP documentation or help files for more detailed information on item categories, material master data, and supply source management.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management.