How To Fix FAGL_MIG121 - Posting period &1 &2 is still open for company code &3, account type &4

FAGL_MIG121 - Overview

• Message type: E = Error

• Message class: FAGL_MIG - Migration to New General Ledger Accounting

• Message number: 121

• Message text: Posting period &1 &2 is still open for company code &3, account type &4

What causes this issue?

Not all posting periods in the fiscal year preceding the migration date
are closed.

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?

When you create the worklist of open items to be migrated, ensure that
no more items are cleared in the old fiscal year or that clearing
postings from the old fiscal year are reset. For this reason, close the
posting periods for the fiscal years preceding the migration date by
using the generic account type '+'.
INCLUDE CUSTOMIZED_MESSAGE_INFO OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

FAGL_MIG121 - Details

• The SAP error message FAGL_MIG121 indicates that there is an issue with the posting period being open for a specific company code and account type during a migration or posting process. This error typically arises during the migration to the New General Ledger (New GL) or when trying to post transactions in a period that is still open for posting.
  
  Cause:
  
  Open Posting Period: The specified posting period is still open for the company code and account type mentioned in the error message. This means that transactions can still be posted to that period, which may conflict with the migration process.
  
  Configuration Issues: The configuration settings for the posting periods may not be set correctly, allowing postings in periods that should be closed.
  Migration Process: The migration process may require that certain periods be closed to ensure data integrity and consistency.
  
  
  Solution:
  
  
  Close the Posting Period:
  
  Navigate to the transaction code OB52 (Maintain Posting Periods).
  Check the settings