How To Fix QP439 - SPC criterion & is not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 439

• Message text: SPC criterion & is not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QP439 - SPC criterion & is not defined ?

  The SAP error message QP439, which states "SPC criterion & is not defined," typically occurs in the context of Statistical Process Control (SPC) when the system is unable to find a defined SPC criterion for a specific quality characteristic or inspection plan.
  Cause:
  
  Missing SPC Criterion: The most common cause of this error is that the SPC criterion has not been defined in the system for the specific quality characteristic you are trying to use.
  Incorrect Configuration: There may be a configuration issue where the SPC criteria are not properly set up in the Quality Management (QM) module.
  Data Inconsistency: There could be inconsistencies in the master data or configuration settings that lead to the system not recognizing the SPC criterion.
  Versioning Issues: If there are multiple versions of the inspection plan or characteristics, the system might be referencing an outdated or incorrect version.
  
  Solution:
  
  
  Define the SPC Criterion:
  
  Go to the transaction code SPC1 or SPC2 (depending on your version) to define the SPC criteria.
  Ensure that the SPC criterion is correctly set up for the quality characteristic in question.
  
  
  
  Check Inspection Plan:
  
  Review the inspection plan associated with the quality characteristic to ensure that the SPC criterion is linked correctly.
  Use transaction code QP02 to display and modify the inspection plan.
  
  
  
  Configuration Check:
  
  Verify the configuration settings in the Quality Management module to ensure that all necessary settings for SPC are in place.
  Check the customizing settings under SPC in the Quality Management configuration.
  
  
  
  Data Consistency:
  
  Ensure that all relevant master data (like material master, inspection characteristics, etc.) is consistent and correctly maintained.
  Use transaction codes like MM03 for material master or QP03 for inspection characteristics to check the data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for detailed guidance on setting up SPC criteria and troubleshooting related issues.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  
  
  Related Information:
  
  SPC in SAP QM: Statistical Process Control is a method used in quality management to monitor and control processes through statistical methods.
  Quality Management Module: The QM module in SAP is responsible for managing quality in production and procurement processes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QP01 (Create Inspection Plan), QP02 (Change Inspection Plan), and QP03 (Display Inspection Plan) for managing inspection plans and characteristics.
  
  By following these steps, you should be able to resolve the QP439 error and ensure that your SPC criteria are properly defined and utilized in your quality management processes.