How To Fix QP438 - Characteristic & is not a calculated characteristic

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 438

• Message text: Characteristic & is not a calculated characteristic

What causes this issue?

The control indicator for the formula is not set.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to enter a formula, you must first set the control indicator
for the formula in the characteristic.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message QP438 - Characteristic & is not a calculated characteristic ?

  The SAP error message QP438 indicates that a characteristic you are trying to use in a quality management context is not defined as a calculated characteristic. This typically occurs in the context of Quality Inspection (QI) or Quality Management (QM) processes where characteristics are defined for inspection plans or quality notifications.
  Cause:
  
  Characteristic Definition: The characteristic you are trying to use is not set up as a calculated characteristic in the system. Calculated characteristics are those that derive their values based on other characteristics or formulas.
  Incorrect Configuration: The characteristic may not have been configured correctly in the master data settings, or it may not have been marked as a calculated characteristic in the relevant configuration settings.
  Usage Context: The characteristic may be used in a context that requires it to be calculated, but it has not been defined as such.
  
  Solution:
  
  
  Check Characteristic Configuration:
  
  Go to the characteristic definition in the SAP system (Transaction code: CT04).
  Verify if the characteristic is marked as a calculated characteristic. If not, you may need to change its settings.
  
  
  
  Modify Inspection Plan:
  
  If the characteristic is part of an inspection plan, check the inspection plan configuration (Transaction code: QP01 or QP02).
  Ensure that the characteristic is correctly defined and that it is intended to be used as a calculated characteristic.
  
  
  
  Create or Adjust Calculation Logic:
  
  If the characteristic needs to be calculated based on other characteristics, ensure that the calculation logic is properly defined in the system.
  You may need to create a new calculated characteristic or adjust the existing one to meet your requirements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to Quality Management and characteristics to understand the requirements for calculated characteristics.
  
  
  
  Testing:
  
  After making changes, test the configuration by creating a new inspection lot or quality notification to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CT04: Change Characteristic
  QP01: Create Inspection Plan
  QP02: Change Inspection Plan
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to characteristics and calculated characteristics.
  User Roles: Ensure that you have the necessary authorizations to make changes to characteristics and inspection plans.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Quality Management.