How To Fix VSMI021 - Unit of measurement ISO code & is unknown

VSMI021 - Overview

• Message type: E = Error

• Message class: VSMI - Message for Development Class VSMI

• Message number: 021

• Message text: Unit of measurement ISO code & is unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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VSMI021 - Details

• The SAP error message VSMI021 indicates that the unit of measurement (UoM) ISO code is unknown or not recognized in the system. This error typically arises when dealing with materials, products, or transactions that involve units of measurement that are not defined or configured correctly in the SAP system.
  
  Cause:
  
  Missing UoM Definition: The ISO code for the unit of measurement is not defined in the system.
  Incorrect Configuration: The unit of measurement may be incorrectly configured or not linked to the relevant material or product.
  Data Entry Error: There may be a typo or incorrect entry in the transaction or master data where the UoM is specified.
  Custom Development: If there are custom developments or enhancements, they may not be handling the UoM correctly.
  
  
  Solution:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the UoM is defined.
  Ensure that the UoM is correctly configured and that the ISO code is