How To Fix FINS_CFIN_BC_V124 - Override derivation for CoA/account &2 doesn't match (&3/&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_CFIN_BC_V - Business Configuration Validations

• Message number: 124

• Message text: Override derivation for CoA/account &2 doesn't match (&3/&4)

What causes this issue?

The indicator Override Internal Item Categ. Derivation (technical name
T8G17-X_OVERRULE) does not match between source and target system for
chart of accounts / account &V2&.
The indicator in the source system is: &V3&
The indicator in the target system is: &V4&

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?

Procedure for System Administrators

Check the settings in SM30 V_T8G17 and compare the value with the source
system.
Respectively Implementation guide Financial Accounting (New) - General
Ledger Accounting (New) -> Document Splitting -> Classify G/L Accounts
for Document Splitting

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_CFIN_BC_V124 - Override derivation for CoA/account &2 doesn't match (&3/&4) ?

  The SAP error message FINS_CFIN_BC_V124 indicates that there is an issue with the derivation of the Chart of Accounts (CoA) or account in the context of the Central Finance (CFIN) module. This error typically arises during the mapping or transformation of financial data from a source system to the Central Finance system.
  Cause:
  The error message suggests that the override derivation for the specified Chart of Accounts (CoA) or account does not match the expected values. This can occur due to several reasons:
  
  
  Mapping Issues: The mapping configuration between the source system and the Central Finance system may not be correctly set up. This includes incorrect or missing mappings for accounts or CoAs.
  
  
  Configuration Errors: There may be inconsistencies in the configuration settings for the Central Finance system, particularly in the area of account mapping or derivation rules.
  
  
  Data Inconsistencies: The data being transferred from the source system may not conform to the expected structure or values, leading to mismatches during the derivation process.
  
  
  Custom Logic: If there are custom derivation rules implemented, they may not be functioning as intended, causing the mismatch.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration for the Chart of Accounts and accounts in the Central Finance system. Ensure that all necessary mappings are correctly defined and active.
  
  
  
  Validate Derivation Rules:
  
  Examine the derivation rules set up in the Central Finance system. Ensure that they are correctly configured to handle the specific accounts and CoAs involved in the error.
  
  
  
  Data Validation:
  
  Check the data being sent from the source system. Ensure that it adheres to the expected formats and values. Look for any discrepancies that might cause the derivation to fail.
  
  
  
  Review Custom Logic:
  
  If there are any custom derivation rules or enhancements, review the logic to ensure it is functioning correctly and does not introduce errors.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to Central Finance and the specific error message for additional guidance and troubleshooting steps.
  
  
  
  Testing:
  
  After making changes, conduct thorough testing to ensure that the issue is resolved and that data is being correctly derived and transferred.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CFIN_MAINTAIN_MAPPINGS or CFIN_MAINTAIN_DERIVATIONS to access and modify mapping and derivation settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Central Finance Documentation: Review the official SAP Central Finance documentation for best practices and configuration guidelines.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.