How To Fix MW508 - No supply source determination defined for item category & selected

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 508

• Message text: No supply source determination defined for item category & selected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW508 - No supply source determination defined for item category & selected ?

  The SAP error message MW508 indicates that there is no supply source determination defined for the specified item category in the context of a material document or a purchase order. This error typically arises when the system is unable to find a valid source of supply for the item being processed.
  Cause:
  
  Missing Source Determination: The item category does not have a defined source of supply in the system.
  Configuration Issues: The configuration settings for the material type or item category may not be set up correctly.
  Master Data Issues: The material master or vendor master data may be incomplete or incorrectly maintained.
  Purchasing Info Records: There may be no purchasing info records available for the material and vendor combination.
  Source List: The source list for the material may not be maintained or may not include the required vendor.
  
  Solution:
  To resolve the MW508 error, you can take the following steps:
  
  
  Check Item Category Configuration:
  
  Go to the configuration settings for the item category in transaction code SPRO.
  Ensure that the supply source determination is properly configured for the item category in question.
  
  
  
  Maintain Purchasing Info Records:
  
  Use transaction code ME11 to create or update purchasing info records for the material and vendor combination.
  Ensure that the info record is valid and contains the necessary data.
  
  
  
  Check Source List:
  
  Use transaction code ME01 to maintain the source list for the material.
  Ensure that the vendor is included in the source list for the relevant plant and material.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to check the material master data.
  Ensure that the relevant views (such as purchasing and sales) are properly maintained.
  
  
  
  Check for Valid Supply Sources:
  
  Ensure that there are valid supply sources available for the item category, such as contracts, scheduling agreements, or stock transfer orders.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP support team for specific configurations related to your organization's setup.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  ME11: Create Purchasing Info Record
  ME01: Maintain Source List
  MM03: Display Material Master
  SPRO: SAP Reference IMG (Implementation Guide)
  
  
  
  Item Categories: Different item categories (e.g., standard, consignment, subcontracting) may have different requirements for supply source determination.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the MW508 error.
  
  
  By following these steps, you should be able to identify and resolve the cause of the MW508 error in your SAP system.