How To Fix QP464 - Lower plausibility limit is greater than the lower specification limit 1

SAP Error Message - Details

• Message type: E = Error

• Message class: QP - Message IDs for function module group QPAA

• Message number: 464

• Message text: Lower plausibility limit is greater than the lower specification limit 1

Self-Explanatory Message

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• What is the cause and solution for SAP error message QP464 - Lower plausibility limit is greater than the lower specification limit 1 ?

  The SAP error message QP464, which states "Lower plausibility limit is greater than the lower specification limit 1," typically occurs in the context of quality management within SAP, particularly when dealing with quality inspection characteristics.
  Cause:
  This error arises when the lower plausibility limit (a calculated or defined threshold for acceptable measurement values) is set higher than the lower specification limit (the minimum acceptable value for a quality characteristic). This situation indicates a logical inconsistency in the quality control parameters defined for a particular inspection characteristic.
  Solution:
  To resolve this error, you need to review and adjust the quality inspection characteristics in the relevant master data or inspection plan. Here are the steps you can take:
  
  
  Check Inspection Characteristics:
  
  Navigate to the inspection plan or material master where the quality characteristic is defined.
  Review the lower specification limit (LSL) and the lower plausibility limit (LPL).
  
  
  
  Adjust Limits:
  
  If the lower plausibility limit is indeed set incorrectly, adjust it to be less than or equal to the lower specification limit.
  If the lower specification limit is set incorrectly, consider adjusting it based on the acceptable quality standards for the product.
  
  
  
  Validate Changes:
  
  After making adjustments, validate the changes by running the inspection plan or quality check again to ensure that the error no longer appears.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct limits, consult your organization's quality management documentation or standards to ensure compliance with quality requirements.
  
  
  
  Testing:
  
  After making the necessary adjustments, perform a test inspection to confirm that the error has been resolved and that the quality checks are functioning as expected.
  
  
  
  Related Information:
  
  Quality Management (QM) Module: This error is part of the QM module in SAP, which deals with quality planning, inspection, and control.
  Specification Limits: Understanding the difference between specification limits and plausibility limits is crucial. Specification limits are defined based on customer requirements or regulatory standards, while plausibility limits are often used for internal checks to ensure data integrity.
  SAP Notes and Documentation: Check SAP Notes for any specific patches or updates related to this error message, as well as the official SAP Help documentation for further guidance on quality management settings.
  
  By following these steps, you should be able to resolve the QP464 error and ensure that your quality management processes in SAP are functioning correctly.