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

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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