How To Fix AQ288 - Field is already in use. Specify a calculation formula

AQ288 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 288

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

What causes this issue?

You attempted to delete the calculation formula for a local field, but
this field is already being used in a query and must therefore 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 the field.

Error message extract from SAP system. Copyright SAP SE.

AQ288 - Details

• The SAP error message AQ288 ("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 you are trying to define or modify a key figure or characteristic that is already being utilized in another context. This can happen when you attempt to create a new calculation formula or modify an existing one, but the field you are trying to use is already assigned to another calculation or key figure.
  
  Cause:
  
  Field Reuse: The field you are trying to use in your calculation formula is already assigned to another calculation formula or key figure.
  Incorrect Configuration: There may be a configuration issue where the same field is being referenced multiple times in a way that is not allowed.
  Locked Field: The field might be locked due to ongoing processes or transactions that are using it.
  
  
  Solution:
  
  Check Existing Assignments: Review the existing