How To Fix QP435 - A formula must not refer to a subsequent characteristic &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 435

• Message text: A formula must not refer to a subsequent characteristic &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message QP435 - A formula must not refer to a subsequent characteristic & ?

  The SAP error message QP435, which states "A formula must not refer to a subsequent characteristic," typically occurs in the context of SAP Quality Management (QM) when working with quality inspection plans and their associated formulas. This error indicates that a formula defined in the inspection plan is referencing a characteristic that is defined to be evaluated later in the sequence of the inspection process. 
  Cause:
  
  Formula Definition: The formula you are trying to use in the inspection plan is referencing a characteristic that is not yet evaluated at the time the formula is being calculated. In SAP QM, characteristics are evaluated in a specific order, and a formula cannot depend on a characteristic that is evaluated later.
  Incorrect Sequence: The sequence of characteristics in the inspection plan may not be set up correctly, leading to dependencies that violate the rules of evaluation.
  
  Solution:
  
  Review the Formula: Check the formula that is causing the error. Ensure that it only references characteristics that are evaluated before it in the inspection process.
  Adjust Characteristic Order: If necessary, adjust the order of the characteristics in the inspection plan so that the formula can reference only those characteristics that have already been evaluated.
  Modify the Formula: If changing the order of characteristics is not feasible, consider modifying the formula to eliminate references to subsequent characteristics.
  Testing: After making changes, test the inspection plan to ensure that the error is resolved and that the inspection process works as intended.
  
  Related Information:
  
  SAP Documentation: Refer to the SAP Help Portal or specific documentation related to Quality Management and inspection plans for detailed guidelines on defining formulas and characteristics.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as QP01 (Create Inspection Plan), QP02 (Change Inspection Plan), and QP03 (Display Inspection Plan) to manage inspection plans effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address specific issues.
  
  By following these steps, you should be able to resolve the QP435 error and ensure that your inspection plans function correctly within SAP QM.