How To Fix QM402 - Unit of measure &1 is not compatible with dimension &2

SAP Error Message - Details

• Message type: E = Error

• Message class: QM - Messages for quality notifications

• Message number: 402

• Message text: Unit of measure &1 is not compatible with dimension &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QM402 - Unit of measure &1 is not compatible with dimension &2 ?

  The SAP error message QM402, which states "Unit of measure &1 is not compatible with dimension &2," typically occurs in the context of Quality Management (QM) when there is a mismatch between the unit of measure (UoM) used for a material and the expected dimensions for that material.
  Cause:
  
  Unit of Measure Mismatch: The unit of measure assigned to the material does not match the expected dimension for the quality inspection. For example, if the dimension is in liters, but the unit of measure is in kilograms, this error may occur.
  Configuration Issues: The configuration settings in the material master or the quality management settings may not be aligned correctly, leading to incompatible units of measure.
  Data Entry Errors: Incorrect data entry during the creation or modification of material master records or inspection plans can lead to this error.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify the unit of measure assigned to the material.
  Ensure that the unit of measure is compatible with the dimensions expected in the quality inspection.
  
  
  
  Review Inspection Plan:
  
  Check the inspection plan (transaction code QP01 or QP02) to ensure that the dimensions and units of measure defined there are correct and compatible with the material master.
  
  
  
  Adjust Configuration:
  
  If necessary, review the configuration settings in the Quality Management module to ensure that the units of measure and dimensions are set up correctly.
  This may involve checking the settings in the customizing (transaction code SPRO) under Quality Management.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidelines on unit of measure compatibility and how to resolve related issues.
  
  
  
  Data Consistency Check:
  
  Perform a consistency check on the material master and inspection plans to identify any discrepancies that may lead to this error.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, units of measure are defined in the material master and can include various types such as base units, alternative units, and sales units.
  Dimensions: Dimensions refer to the physical characteristics of a material, such as weight, volume, length, etc., which are often used in quality inspections.
  Quality Management (QM): This module in SAP is responsible for managing quality processes, including inspections, quality planning, and quality control.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Quality Management for further assistance.