How To Fix QS129 - Class range exceeds the tolerance range

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 129

• Message text: Class range exceeds the tolerance range

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QS129 - Class range exceeds the tolerance range ?

  The SAP error message QS129, which states "Class range exceeds the tolerance range," typically occurs in the context of quality management (QM) within SAP. This error is related to the quality inspection process, particularly when dealing with inspection characteristics and their associated tolerances.
  Cause:
  The error usually arises when the values defined for a characteristic in a quality inspection plan exceed the specified tolerance limits. This can happen due to:
  
  Incorrect Tolerance Settings: The tolerance limits set for the inspection characteristics may not align with the actual values being measured or recorded.
  Data Entry Errors: There may be mistakes in entering the measurement values or the tolerance limits.
  Configuration Issues: The configuration of the inspection characteristics or the quality management settings may not be correctly set up.
  
  Solution:
  To resolve the QS129 error, you can take the following steps:
  
  
  Review Tolerance Settings:
  
  Go to the inspection plan associated with the inspection lot and check the tolerance limits for the relevant characteristics.
  Ensure that the tolerance limits are correctly defined and appropriate for the measurements being taken.
  
  
  
  Check Measurement Values:
  
  Verify the measurement values entered during the inspection process. Ensure that they fall within the defined tolerance range.
  If the measurement values are incorrect, re-enter the correct values.
  
  
  
  Adjust Tolerances:
  
  If the tolerances are too strict or not applicable, consider adjusting them to better fit the actual production or quality requirements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to quality management and inspection plans for further guidance on setting tolerances and characteristics.
  
  
  
  Test Changes:
  
  After making adjustments, perform a test inspection to ensure that the error does not reoccur.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  
  Related Information:
  
  Quality Management (QM): This module in SAP is responsible for managing quality processes, including inspection planning, quality control, and quality notifications.
  Inspection Plans: These are used to define the characteristics to be inspected, the methods of inspection, and the tolerances for those characteristics.
  Characteristics: In SAP QM, characteristics can be quantitative (measurable) or qualitative (attributes) and are used to assess the quality of products.
  
  By following these steps, you should be able to identify the cause of the QS129 error and implement a solution to resolve it.