How To Fix FASTEDM_INTERNAL020 - Units of measurement from &1 and &2 do not match

SAP Error Message - Details

• Message type: E = Error

• Message class: FASTEDM_INTERNAL -

• Message number: 020

• Message text: Units of measurement from &1 and &2 do not match

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 FASTEDM_INTERNAL020 - Units of measurement from &1 and &2 do not match ?

  The SAP error message FASTEDM_INTERNAL020 indicates that there is a mismatch between the units of measurement (UoM) for two different entities in a transaction or process. This typically occurs in scenarios involving material management, inventory, or data transfer where two different units of measurement are being compared or processed, and they do not align.
  Cause:
  
  Different Units of Measurement: The most common cause is that the two entities (e.g., materials, products, or quantities) involved in the transaction are using different units of measurement. For example, one might be in kilograms while the other is in grams.
  Configuration Issues: There may be configuration issues in the material master data or in the settings for the specific transaction.
  Data Entry Errors: Manual data entry errors can lead to mismatched units of measurement.
  Inconsistent Master Data: If the master data for materials or products is not consistent, it can lead to this error.
  
  Solution:
  
  Check Units of Measurement: Verify the units of measurement for both entities involved in the transaction. Ensure they are compatible and consistent.
  Convert Units: If necessary, convert one of the units to match the other. This can often be done in the transaction screen or by adjusting the master data.
  Review Material Master Data: Check the material master records for both items to ensure that the units of measurement are correctly defined and consistent.
  Adjust Configuration: If the issue is due to configuration, you may need to adjust the settings in the SAP system. This could involve changing the UoM settings in the material master or in the relevant configuration tables.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling units of measurement in your version of SAP.
  Seek Help from SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a system-level issue.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like MM03 (Display Material), MM02 (Change Material), or MB1A (Goods Withdrawal) to review and adjust material data.
  Unit of Measure Tables: Familiarize yourself with relevant tables such as T006 (Units of Measure) and MARA (General Material Data) to understand how units are defined and used in your system.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.