How To Fix FAGL_MM_RECON121 - Change in balance on account &1 &2 &3 &4; correct evaluation not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: FAGL_MM_RECON - MM-GL Reconciliation

• Message number: 121

• Message text: Change in balance on account &1 &2 &3 &4; correct evaluation not possible

What causes this issue?

During runtime of the program, stock values were changed on account &V1&
&V2& &V3& &V4&.
This means that it is no longer possible to guarantee the correctness of
the evaluation.

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?

Repeat the evaluation and ensure that no postings that change stocks are
performed while the program is running.

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 FAGL_MM_RECON121 - Change in balance on account &1 &2 &3 &4; correct evaluation not possible ?

  The SAP error message FAGL_MM_RECON121 typically occurs in the context of the reconciliation between the General Ledger (G/L) and the Material Management (MM) module. This error indicates that there is a discrepancy in the balances of the specified G/L account, which prevents the system from correctly evaluating the financial data.
  Cause:
  The error can be caused by several factors, including:
  
  Inconsistent Data: There may be inconsistencies between the G/L account and the MM documents, such as differences in posted amounts or missing entries.
  Incorrect Configuration: The configuration settings for the G/L account or the MM integration may not be set up correctly.
  Open Items: There may be open items in the G/L account that have not been cleared, leading to discrepancies.
  Posting Errors: Manual postings or incorrect postings in the G/L account can lead to balance discrepancies.
  Period Closing Issues: If the financial periods are not closed properly, it can lead to inconsistencies in the balances.
  
  Solution:
  To resolve the FAGL_MM_RECON121 error, you can follow these steps:
  
  
  Check the G/L Account: Review the G/L account specified in the error message to identify any discrepancies. Use transaction codes like FS10N (G/L Account Balance Display) to analyze the account balances.
  
  
  Reconcile MM and G/L: Use transaction code MB5B (Stock on Posting Date) or MB51 (Material Document List) to check the material documents and ensure they match the G/L postings.
  
  
  Clear Open Items: If there are open items in the G/L account, clear them using transaction code F-03 (Clear G/L Account) or F-32 (Clear Customer).
  
  
  Review Configuration: Check the configuration settings for the integration between MM and FI (Financial Accounting) to ensure they are set up correctly. This includes checking the account determination settings.
  
  
  Run Reconciliation Reports: Use transaction code FAGL_MMR (Reconciliation of G/L and MM) to run reconciliation reports and identify discrepancies.
  
  
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FS10N: G/L Account Balance Display
  MB5B: Stock on Posting Date
  MB51: Material Document List
  FAGL_MMR: Reconciliation of G/L and MM
  
  
  Documentation: Review SAP documentation related to G/L and MM integration for best practices and troubleshooting steps.
  Training: Consider training sessions for users involved in financial postings and reconciliations to minimize errors in the future.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the FAGL_MM_RECON121 error.