How To Fix DMF_OUTBOUND021 - ISO code for unit of measure &1 not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: DMF_OUTBOUND -

• Message number: 021

• Message text: ISO code for unit of measure &1 not maintained

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 DMF_OUTBOUND021 - ISO code for unit of measure &1 not maintained ?

  The SAP error message DMF_OUTBOUND021 indicates that there is an issue with the unit of measure (UoM) for a specific material or product in the system. The message typically states that the ISO code for the unit of measure is not maintained, which means that the system cannot find the necessary information to process the outbound data correctly.
  Cause:
  
  Missing ISO Code: The unit of measure (UoM) being used for the material does not have an associated ISO code in the system.
  Incorrect Configuration: The configuration for the unit of measure may not be set up correctly in the system.
  Data Inconsistency: There may be inconsistencies in the master data for the material, such as missing or incorrect entries in the material master record.
  
  Solution:
  
  
  Maintain ISO Code:
  
  Go to the transaction code CUNI (Unit of Measure Conversion).
  Check if the unit of measure in question is listed and if it has an ISO code assigned.
  If not, you can create or update the unit of measure to include the appropriate ISO code.
  
  
  
  Check Material Master:
  
  Use transaction code MM03 to display the material master record.
  Verify that the unit of measure is correctly maintained in the relevant views (e.g., Basic Data, Purchasing, Sales).
  Ensure that the UoM is valid and correctly linked to the material.
  
  
  
  Review Configuration:
  
  If you have access, check the configuration settings in the SAP system related to units of measure.
  Ensure that the UoM settings are correctly defined in the system.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed instructions on maintaining units of measure and their ISO codes.
  
  
  
  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:
  
  Transaction Codes: CUNI (Maintain Units of Measure), MM03 (Display Material Master), MM02 (Change Material Master).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Master Data Management: Ensure that your organization has a robust process for maintaining master data to prevent such issues in the future.
  
  By following these steps, you should be able to resolve the DMF_OUTBOUND021 error and ensure that the unit of measure is properly maintained in your SAP system.