How To Fix KSCORE004 - Incorrect reference structure (program error in cost element selection)

KSCORE004 - Overview

• Message type: E = Error

• Message class: KSCORE - Overhead Cost Controlling: Cross-Application Messages

• Message number: 004

• Message text: Incorrect reference structure (program error in cost element selection)

What causes this issue?

A program-internal error has occurred. Function module
K_COSTELEM_SELECT_SINGLE_CORE has been called up using a return table
that has an incorrect reference structure.
In a CO/FI context, the return table must be categorized with the
CSKB_EX structure. In a CORE context (reduction to the core
functionality, for example, for HR only) you must use the CSKB_CORE
structure.
The program has determined the context &v1&.

System Response

Processing is terminated.

How to fix this error?

Contact SAP. It is probably necessary to modify the program. There is
also a remote possibility that the heuristic in function module
K_COSTELEM_SELECT_SINGLE_CORE no longer works.

Error message extract from SAP system. Copyright SAP SE.

KSCORE004 - Details

• The SAP error message KSCORE004, which states "Incorrect reference structure (program error in cost element selection)," typically occurs in the context of cost accounting or controlling modules when there is an issue with the selection of cost elements in a report or transaction.
  
  Cause:
  
  
  Configuration Issues: The error may arise due to incorrect configuration settings in the controlling area or cost element master data.
  Data Inconsistencies: There may be inconsistencies in the data related to cost elements, such as missing or incorrectly defined cost elements.
  Program Errors: This error can also indicate a bug or issue in the SAP program itself, particularly in the logic that handles cost element selection.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain cost elements, leading to this error.
  Version Compatibility: If there are discrepancies between different versions of SAP or if the system has not been updated properly, it may lead to such errors.
  
  
  Solution:
  
  Check