How To Fix AQV288 - Field is already in use. Specify a calculation formula

AQV288 - Overview

• Message type: E = Error

• Message class: AQV - Message texts for SAP Query

• Message number: 288

• Message text: Field is already in use. Specify a calculation formula

What causes this issue?

You tried to delete the complete calculation formula for a local field,
but this field was already used in the query and therefore has to
contain a calculation formula.

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?

Define a calculation formula for this field.

Error message extract from SAP system. Copyright SAP SE.

AQV288 - Details

• The SAP error message AQV288, which states "Field is already in use. Specify a calculation formula," typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where calculations and field assignments are involved. This error indicates that a specific field you are trying to use for a calculation or assignment is already occupied or utilized by another process or formula.
  
  Cause:
  
  Field Conflict: The field you are trying to use is already assigned to another calculation or formula, leading to a conflict.
  Incorrect Configuration: There may be an issue with how the fields and calculations are configured in the system.
  Multiple Assignments: The same field might be assigned to multiple calculations, which is not allowed.
  
  
  Solution:
  
  Check Field Assignments: Review the configuration of the fields in the relevant planning area or data model. Ensure that the field you are trying to use is not already assigned to another calculation.
  Modify Calculation Formula: