How To Fix FINS_ACDOC_CUST406 - Curr. key of CO area changed to &2: Postings will become inconsistent

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_ACDOC_CUST - Unified Journal Entry - Customizing

• Message number: 406

• Message text: Curr. key of CO area changed to &2: Postings will become inconsistent

What causes this issue?

You are changing the currency key of controlling area &V3& from &V1& to
&V2&.

System Response

Postings already exist. These postings will become inconsistent.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

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 FINS_ACDOC_CUST406 - Curr. key of CO area changed to &2: Postings will become inconsistent ?

  The SAP error message FINS_ACDOC_CUST406 indicates that there is an inconsistency in the currency key for a controlling (CO) area. Specifically, it means that the currency key for the CO area has changed to a new value (denoted as &2 in the message), which can lead to inconsistencies in postings if not handled properly.
  Cause:
  
  Currency Key Change: The primary cause of this error is that the currency key for the controlling area has been changed after some postings have already been made. This can happen due to configuration changes in the system or during a migration process.
  Inconsistent Data: If there are existing postings in the CO area that were made with the old currency key, and then the currency key is changed, it creates a situation where the system cannot reconcile the old postings with the new currency settings.
  
  Solution:
  
  Review Currency Configuration: Check the configuration settings for the controlling area to ensure that the currency key is set correctly. If the currency key was changed unintentionally, consider reverting it back to the original value.
  Data Consistency Check: Perform a consistency check on the postings in the CO area. You may need to identify and correct any postings that were made with the old currency key.
  Postings Adjustment: If necessary, adjust or reverse the postings that are causing the inconsistency. This may involve creating new postings with the correct currency key or reversing the incorrect ones.
  Consult Documentation: Refer to SAP documentation or notes related to currency changes in controlling areas for specific guidance on how to handle such situations.
  Engage SAP Support: If the issue persists or if you are unsure how to proceed, consider reaching out to SAP support for assistance. They can provide guidance based on the specific configuration and circumstances of your system.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OB08 (for maintaining exchange rates) or OKKP (for controlling area settings) to review and adjust currency settings.
  SAP Notes: Look for relevant SAP Notes that address this specific error message or similar issues. SAP Notes often provide solutions or workarounds for known issues.
  Testing: After making any changes, ensure to test the system thoroughly to confirm that the issue has been resolved and that no new inconsistencies have been introduced.
  
  By following these steps, you should be able to address the FINS_ACDOC_CUST406 error and restore consistency in your SAP system's postings.