How To Fix QF177 - Unit & is not allowed for the defect valuation

SAP Error Message - Details

• Message type: E = Error

• Message class: QF - Defects Recording

• Message number: 177

• Message text: Unit & is not allowed for the defect valuation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QF177 - Unit & is not allowed for the defect valuation ?

  The SAP error message QF177, which states "Unit & is not allowed for the defect valuation," typically occurs in the context of quality management (QM) when dealing with defect evaluations in inspection lots. This error indicates that the unit of measure (UoM) being used for the defect valuation is not compatible with the settings in the system.
  Cause:
  
  Incorrect Unit of Measure: The unit of measure assigned to the defect or the inspection lot does not match the expected or allowed units defined in the system.
  Configuration Issues: The configuration settings in the Quality Management module may not allow the specified unit for defect valuation.
  Master Data Issues: The material master or inspection plan may have incorrect or incomplete data regarding units of measure.
  
  Solution:
  
  Check Unit of Measure: Verify the unit of measure being used for the defect valuation. Ensure that it is compatible with the settings in the system.
  Review Configuration: 
  
  Go to the configuration settings in SAP (transaction code SPRO) and navigate to the Quality Management section.
  Check the settings for defect valuation and ensure that the unit of measure you are trying to use is allowed.
  
  
  Inspect Master Data:
  
  Review the material master data (transaction code MM03) to ensure that the units of measure are correctly defined.
  Check the inspection plan (transaction code QP01) to ensure that the units of measure are correctly set up for the inspection characteristics.
  
  
  Adjust Inspection Lot: If the inspection lot is already created, you may need to create a new inspection lot with the correct unit of measure or adjust the existing lot if possible.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on defect valuation and unit of measure settings.
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 (Display Material)
  QP01 (Create Inspection Plan)
  QA32 (Change Inspection Lot)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Roles: Ensure that the user has the necessary permissions to perform actions related to quality management and defect valuation.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Quality Management for further assistance.