How To Fix /CWM/MM061 - Assignment of unit of measure &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /CWM/MM -

• Message number: 061

• Message text: Assignment of unit of measure &1 failed

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 /CWM/MM061 - Assignment of unit of measure &1 failed ?

  The SAP error message /CWM/MM061 Assignment of unit of measure &1 failed typically occurs in the context of material management when there is an issue with the assignment of a unit of measure (UoM) to a material. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  
  Incorrect Unit of Measure Configuration: The unit of measure you are trying to assign may not be correctly configured in the system. This could include missing definitions or incorrect settings in the UoM table.
  
  
  Unit of Measure Conversion Issues: If there are conversion factors defined between different units of measure, and they are not set up correctly, this can lead to assignment failures.
  
  
  Material Master Data Issues: The material master data may not be complete or may have inconsistencies that prevent the assignment of the unit of measure.
  
  
  Missing UoM in Material Master: The unit of measure you are trying to assign may not be included in the material master record.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to make changes to the material master or UoM settings.
  
  
  Solutions:
  
  
  Check UoM Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) and verify that the unit of measure is correctly defined.
  Ensure that the UoM is set up in the appropriate UoM group.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master and check if the UoM is correctly assigned.
  Ensure that all required fields in the material master are filled out correctly.
  
  
  
  Verify Conversion Factors:
  
  Check the conversion factors between the units of measure in the UoM settings to ensure they are correctly defined.
  
  
  
  Add Missing UoM:
  
  If the UoM is not present in the material master, you can add it using transaction code MM02 (Change Material) and navigate to the appropriate views to add the UoM.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to make changes to the material master and UoM settings.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  CUNI: Unit of Measure Conversion
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on material management and unit of measure settings.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary solutions to resolve it.