How To Fix PRC_CNV146 - The alternative unit of measure &1 is missing in the material master &2

SAP Error Message - Details

• Message type: E = Error

• Message class: PRC_CNV - Messages for Conversion Engine

• Message number: 146

• Message text: The alternative unit of measure &1 is missing in the material master &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PRC_CNV146 - The alternative unit of measure &1 is missing in the material master &2 ?

  The SAP error message PRC_CNV146 indicates that there is a missing alternative unit of measure for a specific material in the material master data. This error typically arises during processes that involve unit conversions or when working with materials that have multiple units of measure defined.
  Cause:
  
  Missing Alternative Unit of Measure: The primary cause of this error is that the alternative unit of measure (UoM) specified in the transaction or process is not defined in the material master for the given material.
  Incorrect Configuration: There may be a configuration issue where the alternative UoM is not set up correctly in the system.
  Data Migration Issues: If data is being migrated from another system or during a data upload, the alternative UoM may not have been included or properly mapped.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record using transaction code MM03 (Display Material).
  Enter the material number and check the "Units of Measure" view.
  Ensure that the alternative unit of measure is defined. If it is missing, you can add it using transaction code MM02 (Change Material).
  
  
  
  Add Alternative Unit of Measure:
  
  In the "Units of Measure" view, you can add the alternative unit of measure by specifying the UoM and the conversion factor relative to the base unit of measure.
  
  
  
  Verify Configuration:
  
  Check the configuration settings in the SAP system to ensure that the alternative units of measure are properly defined and that the necessary settings are in place.
  
  
  
  Data Migration Review:
  
  If this error occurred during a data migration process, review the migration files or scripts to ensure that all necessary data, including alternative units of measure, has been included.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on managing units of measure in the material master.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  MM01: Create Material
  
  
  Unit of Measure Configuration: You can configure units of measure in the SAP system through the customizing settings (SPRO) under Logistics > Material Management > Material Master > Basic Settings > Define Units of Measure.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the PRC_CNV146 error and ensure that the alternative unit of measure is correctly defined in the material master.