How To Fix /SCWM/PWR405 - Unit of measurement &1 in PSA assignment not valid for product &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/PWR -

• Message number: 405

• Message text: Unit of measurement &1 in PSA assignment not valid for product &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/PWR405 - Unit of measurement &1 in PSA assignment not valid for product &2 ?

  The SAP error message /SCWM/PWR405 Unit of measurement &1 in PSA assignment not valid for product &2 typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is a mismatch between the unit of measurement (UoM) defined for a product and the UoM being used in the Product Storage Area (PSA) assignment.
  Cause:
  
  Mismatch in UoM: The unit of measurement defined for the product in the material master does not match the unit of measurement defined in the PSA assignment.
  Incorrect Configuration: The configuration settings for the product or the storage area may not be set up correctly, leading to inconsistencies.
  Data Inconsistencies: There may be inconsistencies in the data between the product master and the storage area settings.
  
  Solution:
  
  
  Check Product Master Data:
  
  Go to the material master data for the product (MM03 transaction) and verify the unit of measurement defined for the product.
  Ensure that the UoM used in the PSA assignment matches the UoM defined in the product master.
  
  
  
  Review PSA Configuration:
  
  Check the configuration of the Product Storage Area (PSA) to ensure that the UoM is correctly defined.
  You can do this in the EWM configuration settings.
  
  
  
  Adjust UoM in PSA Assignment:
  
  If the UoM in the PSA assignment is incorrect, update it to match the UoM defined in the product master.
  
  
  
  Recreate PSA Assignment:
  
  If necessary, delete the existing PSA assignment and recreate it with the correct UoM.
  
  
  
  Check for Data Consistency:
  
  Run consistency checks in EWM to ensure that there are no other data inconsistencies that could be causing the issue.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 for viewing material master data.
  SPRO for accessing the configuration settings in SAP.
  
  
  Documentation: Refer to SAP Help documentation for Extended Warehouse Management for detailed information on UoM settings and PSA configuration.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  By following these steps, you should be able to resolve the error message and ensure that the UoM settings are consistent across your product and PSA assignments.