How To Fix CNV_20400_CHECK038 - At least one company code has a deriviating financial management area

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20400_CHECK - Messages for check functions (controlling area merge)

• Message number: 038

• Message text: At least one company code has a deriviating financial management area

What causes this issue?

Controlling areas are assigned to different Financial Management Area. A
merge of Financial Management Areas is needed before the controlling
area merge is possible.
You cannot run the transformation solution <ZK>Controlling Area Merge
</>because certain prerequisites have not been met. Please change your
mapping accordingly or contact SAP for support by creating a ticket
using component CA-LT-CNV.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20400_CHECK038 - At least one company code has a deriviating financial management area ?

  The SAP error message CNV_20400_CHECK038 indicates that there is an issue with the configuration of company codes in relation to their financial management areas. Specifically, it suggests that at least one company code has a "deriving financial management area," which can lead to inconsistencies or issues during data migration or system configuration.
  Cause:
  
  Configuration Issues: The financial management area for a company code is not aligned with the expected settings. This can happen if the company code is set up to derive its financial management area from another entity, but that derivation is not properly configured.
  Data Migration: If you are performing a data migration (e.g., using SAP S/4HANA Migration Cockpit or other tools), the system may encounter inconsistencies in the financial management area settings.
  Customizations: Custom configurations or modifications in the system may lead to unexpected behavior regarding financial management areas.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the company codes in question. You can do this via the SAP Easy Access menu or transaction codes like OBY6 (for company code settings).
  Ensure that the financial management area is correctly assigned and that there are no inconsistencies in the settings.
  
  
  
  Review Derivation Logic:
  
  If the financial management area is supposed to be derived, check the derivation rules and logic. Ensure that the source from which the financial management area is derived is correctly configured and active.
  
  
  
  Data Consistency Check:
  
  Run consistency checks on your financial data and configurations. This can help identify any discrepancies that need to be resolved.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to financial management area configurations. This can provide insights into best practices and common pitfalls.
  
  
  
  Engage SAP Support:
  
  If the issue persists after checking configurations and derivation logic, consider reaching out to SAP support for assistance. They can provide specific guidance based on your system setup.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBY6 for company code settings, OBY1 for financial management area settings, and OBY2 for assigning financial management areas to company codes.
  SAP Notes: Search for SAP Notes related to error CNV_20400_CHECK038 for any patches or updates that may address known issues.
  Migration Tools: If you are using migration tools, ensure that you are following the recommended procedures and that your source data is clean and consistent.
  
  By addressing the configuration and ensuring that the financial management areas are correctly set up, you should be able to resolve the error CNV_20400_CHECK038.