How To Fix MW684 - Allocation table unit &1 is not permitted for article &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 684

• Message text: Allocation table unit &1 is not permitted for article &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW684 - Allocation table unit &1 is not permitted for article &2 ?

  The SAP error message MW684, which states "Allocation table unit &1 is not permitted for article &2," typically occurs in the context of inventory management or logistics when there is an issue with the unit of measure (UoM) assigned to a specific article (material) in the allocation table.
  Cause:
  
  Incorrect Unit of Measure: The unit of measure specified in the allocation table for the article does not match the allowed units of measure defined in the material master for that article.
  Configuration Issues: The allocation table may not be properly configured to accept the specified unit of measure for the article.
  Master Data Issues: The material master data may not be correctly set up, leading to discrepancies in the allowed units of measure.
  Data Migration Issues: If data was migrated from another system, there may be inconsistencies in the unit of measure definitions.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record for article &2 (transaction code MM03).
  Verify the units of measure defined in the "Basic Data" and "Sales" views.
  Ensure that the unit of measure &1 is listed as a valid unit for the article.
  
  
  
  Review Allocation Table Configuration:
  
  Check the configuration of the allocation table to ensure that it allows the specified unit of measure.
  This may involve reviewing the settings in the relevant customizing transactions (e.g., SPRO).
  
  
  
  Adjust Allocation Table Entries:
  
  If the allocation table is incorrectly set up, you may need to adjust the entries to use a valid unit of measure that is permitted for the article.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on how to manage units of measure and allocation tables.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, each material can have multiple units of measure defined, including base unit, sales unit, purchase unit, etc. It is crucial to ensure that the correct UoM is used in transactions.
  Material Master Data: This is a central repository of information about materials in SAP, and it is essential for various processes including procurement, inventory management, and sales.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and SPRO (Customizing) for configuration checks.
  
  By following these steps, you should be able to identify and resolve the issue related to the MW684 error message in SAP.