How To Fix QS123 - Lower specification limit is not on class limit

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 123

• Message text: Lower specification limit is not on class limit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QS123 - Lower specification limit is not on class limit ?

  The SAP error message QS123, which states "Lower specification limit is not on class limit," typically occurs in the context of Quality Management (QM) in SAP. This error indicates that the lower specification limit (LSL) defined for a characteristic does not align with the defined class limits for that characteristic in the system.
  Cause:
  
  
  Mismatch in Specification Limits: The lower specification limit set for a quality characteristic does not match any of the class limits defined for that characteristic. This can happen if the LSL is set to a value that is not included in the range of acceptable values defined in the class.
  
  
  Incorrect Class Configuration: The class limits may not be properly configured or may not cover the range of values that are expected for the characteristic.
  
  
  Data Entry Errors: There may be a typographical error or incorrect data entry when setting the specification limits.
  
  
  Solution:
  
  
  Review Class Limits: Check the class limits defined for the characteristic in the system. Ensure that the lower specification limit falls within the defined class limits.
  
  
  Adjust Specification Limits: If the LSL is incorrect, adjust it to a value that is within the range of the class limits. This may involve changing the LSL to match one of the existing class limits.
  
  
  Modify Class Configuration: If the class limits do not cover the necessary range, consider modifying the class configuration to include the required limits.
  
  
  Consult Documentation: Review the SAP documentation or help resources related to Quality Management and characteristic configuration to ensure that the limits are set correctly.
  
  
  Testing: After making adjustments, test the changes to ensure that the error no longer occurs and that the quality management processes function as expected.
  
  
  Related Information:
  
  Quality Management (QM) Module: This error is specific to the QM module in SAP, which deals with quality planning, inspection, and control.
  Characteristic Configuration: Understanding how to configure characteristics and their limits is crucial for effective quality management in SAP.
  SAP Notes and Support: If the issue persists, consider checking SAP Notes for any known issues or patches related to this error message. You can also reach out to SAP support for assistance.
  
  By following these steps, you should be able to resolve the QS123 error and ensure that your quality management processes are functioning correctly.