How To Fix KW390 - Maintain either field and table names or only function names

KW390 - Overview

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 390

• Message text: Maintain either field and table names or only function names

What causes this issue?

A template function can refer to a field in an available template of an
environment, or in an ABAP function module.
Using both simultaneously is not possible.

How to fix this error?

Please enter either a table and a field, or a function module.

Error message extract from SAP system. Copyright SAP SE.

KW390 - Details

• The SAP error message KW390, which states "Maintain either field and table names or only function names," typically occurs in the context of defining or maintaining a data element or a structure in the SAP system, particularly when working with the ABAP Dictionary (SE11).
  
  Cause:
  This error arises when there is a mismatch in the configuration of the data element or structure. Specifically, it indicates that the system expects either:
  
  A complete definition of field and table names, or
  Only function names without any field or table names.
  
  If both types of information are provided, or if neither is provided, the system cannot determine how to process the data element or structure, leading to this error.
  
  Solution:
  To resolve the KW390 error, follow these steps:
  
  
  Check the Definition:
  
  Go to the transaction SE11 (Data Dictionary).
  Locate the data element or structure that is causing the error.
  Review the fields and tables defined for that data element or structure.
  
  
  
  Correct the Configuration:
  
  If you