How To Fix QA168 - Choose a sample size that is not greater than the lot size

SAP Error Message - Details

• Message type: E = Error

• Message class: QA - QM : Inspection lots

• Message number: 168

• Message text: Choose a sample size that is not greater than the lot size

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QA168 - Choose a sample size that is not greater than the lot size ?

  The SAP error message QA168, which states "Choose a sample size that is not greater than the lot size," typically occurs during the quality inspection process when you are trying to define a sample size for a quality inspection lot that exceeds the total quantity of the lot itself. This error is common in the Quality Management (QM) module of SAP.
  Cause:
  
  Sample Size Exceeds Lot Size: The most direct cause of this error is that the sample size you have specified is greater than the total quantity of the inspection lot.
  Incorrect Configuration: There may be an issue with the configuration of the sampling procedure or the lot size definition in the system.
  Data Entry Error: A simple data entry mistake where the sample size was incorrectly inputted.
  
  Solution:
  
  
  Adjust Sample Size: Review the sample size you are trying to enter and ensure it is less than or equal to the total quantity of the inspection lot. You can do this by:
  
  Navigating to the quality inspection lot in question.
  Checking the total quantity of the lot.
  Adjusting the sample size accordingly.
  
  
  
  Review Sampling Procedure: If you are using a predefined sampling procedure, ensure that it is set up correctly and that it aligns with the lot size. You may need to:
  
  Go to the sampling procedure configuration in SAP.
  Verify that the sampling method and size are appropriate for the lot sizes you are working with.
  
  
  
  Check Lot Size: Ensure that the lot size is correctly defined and that there are no discrepancies in the data. You can do this by:
  
  Checking the material document or production order associated with the inspection lot.
  Ensuring that the lot size reflects the actual quantity available for inspection.
  
  
  
  Consult Documentation: If you are unsure about the sampling procedures or configurations, refer to SAP documentation or consult with your SAP QM module expert for guidance.
  
  
  Related Information:
  
  Quality Management (QM) Module: This error is part of the QM module, which deals with quality planning, quality inspection, and quality control.
  Sampling Procedures: SAP allows for various sampling procedures, which can be defined based on statistical methods or fixed quantities. Understanding these procedures can help in setting appropriate sample sizes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QA01 (Create Inspection Lot), QA02 (Change Inspection Lot), and QA03 (Display Inspection Lot) to manage inspection lots effectively.
  
  By following these steps, you should be able to resolve the QA168 error and proceed with your quality inspection process in SAP.