How To Fix QS139 - Select a class midpoint that is greater than the lower plausibility limit

SAP Error Message - Details

• Message type: E = Error

• Message class: QS - QM: Master data

• Message number: 139

• Message text: Select a class midpoint that is greater than the lower plausibility limit

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QS139 - Select a class midpoint that is greater than the lower plausibility limit ?

  The SAP error message QS139, which states "Select a class midpoint that is greater than the lower plausibility limit," typically occurs in the context of Quality Management (QM) within SAP. This error is related to the definition of quality inspection characteristics, particularly when setting up inspection plans or characteristics for quality control.
  Cause:
  The error arises when the midpoint value you are trying to set for a quality characteristic is lower than the defined lower plausibility limit. The plausibility limits are used to ensure that the values entered for inspection characteristics are within a reasonable range, which is critical for maintaining quality standards.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Lower Plausibility Limit: Review the lower plausibility limit defined for the inspection characteristic in question. You can do this by navigating to the relevant inspection plan or characteristic settings in SAP.
  
  
  Adjust the Midpoint Value: Ensure that the midpoint value you are trying to set is greater than the lower plausibility limit. If necessary, adjust the midpoint to a value that complies with this requirement.
  
  
  Modify the Lower Plausibility Limit: If the lower plausibility limit is set incorrectly or is too restrictive, you may consider adjusting it to a more appropriate value that aligns with your quality standards. This should be done with caution and in accordance with your organization's quality management policies.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on how to set up inspection characteristics and plausibility limits.
  
  
  Seek Assistance: If you are unsure about making changes or if the issue persists, consult with your SAP QM module expert or your organization's SAP support team for further assistance.
  
  
  Related Information:
  
  Quality Management (QM) Module: Understanding the QM module in SAP can help you navigate and manage inspection plans and characteristics effectively.
  Inspection Characteristics: Familiarize yourself with how inspection characteristics are defined, including their limits and midpoints.
  SAP Notes and Community: Check SAP Notes for any known issues or patches related to this error message, and consider visiting the SAP Community for discussions and solutions shared by other users.
  
  By following these steps, you should be able to resolve the QS139 error and continue with your quality management processes in SAP.