How To Fix QP439 - SPC criterion & is not defined

QP439 - Overview

• 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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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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Issues: If there are multiple versions of the inspection plan or characteristics, the system might be referencing an outdated or incorrect version.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