How To Fix VHUMI128 - Invalid unit of measure for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: VHUMI - Messages for material identification

• Message number: 128

• Message text: Invalid unit of measure for material &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message VHUMI128 - Invalid unit of measure for material & ?

  The SAP error message VHUMI128: Invalid unit of measure for material & typically occurs when there is an issue with the unit of measure (UoM) assigned to a material in the system. This error can arise in various scenarios, such as during goods movements, inventory management, or when processing sales orders.
  Cause:
  
  Incorrect Unit of Measure Configuration: The unit of measure for the material may not be correctly defined in the material master data.
  Missing UoM in the Transaction: The unit of measure being used in the transaction may not be valid for the specified material.
  Unit of Measure Conversion Issues: If there are conversion factors defined between different units of measure, they may not be set up correctly.
  Material Master Data Issues: The material master may not have the necessary UoM data maintained, or it may be inactive.
  Transaction Context: The context in which the transaction is being executed may not support the specified unit of measure.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Verify that the unit of measure is correctly defined in the Basic Data and Purchasing views.
  Ensure that the UoM is active and valid for the material.
  
  
  
  Review UoM Settings:
  
  Check the unit of measure settings in the configuration (transaction code OMN3).
  Ensure that the UoM is defined in the system and is linked to the material.
  
  
  
  Validate UoM in Transaction:
  
  Ensure that the unit of measure being used in the transaction is valid for the material.
  If you are using a conversion factor, verify that it is correctly set up.
  
  
  
  Check for Inactive UoMs:
  
  If the UoM is inactive, you may need to activate it or use a different UoM that is active.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details related to the error message and its context.
  
  
  
  Testing:
  
  After making changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  OMN3: Maintain Units of Measure
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and change material master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management.