How To Fix /SCWM/MIGRATION134 - Cannot convert unit &1 to internal format

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MIGRATION -

• Message number: 134

• Message text: Cannot convert unit &1 to internal format

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MIGRATION134 - Cannot convert unit &1 to internal format ?

  The SAP error message /SCWM/MIGRATION134 Cannot convert unit &1 to internal format typically occurs in the context of SAP Extended Warehouse Management (EWM) during data migration or when handling units of measure (UoM). This error indicates that the system is unable to convert a specified unit of measure (represented by &1) into the internal format that SAP requires.
  Causes:
  
  Invalid Unit of Measure: The unit of measure specified may not be defined in the system or may not be valid for the context in which it is being used.
  Configuration Issues: There may be configuration issues in the EWM settings related to units of measure.
  Data Migration Issues: If this error occurs during a data migration process, it could be due to incorrect or incomplete data being imported.
  Missing Conversion Factors: The conversion factors between different units of measure may not be defined, leading to conversion failures.
  
  Solutions:
  
  
  Check Unit of Measure Definition:
  
  Go to the transaction code CUNI (Unit of Measure) in SAP and verify that the unit of measure &1 is defined in the system.
  Ensure that the unit of measure is active and correctly configured.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings in EWM related to units of measure. Ensure that the necessary settings for conversion and handling of units of measure are correctly set up.
  You can access the configuration through the SPRO transaction and navigate to the relevant EWM settings.
  
  
  
  Define Conversion Factors:
  
  If the unit of measure is valid but lacks conversion factors, define the necessary conversion factors between the units of measure in the system.
  
  
  
  Data Migration Review:
  
  If the error occurs during data migration, review the data being imported. Ensure that all units of measure are valid and correctly formatted.
  Check the migration templates or files for any discrepancies or errors in the unit of measure fields.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to unit conversion.
  
  
  
  Debugging:
  
  If you have access to development tools, consider debugging the process to identify where the conversion is failing. This may provide more insight into the specific cause of the error.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  CUNI - Unit of Measure Maintenance
  SPRO - Customizing Implementation Guide
  
  
  Documentation: Review SAP EWM documentation for details on unit of measure handling and configuration.
  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 a solution to resolve it.