How To Fix FINS_RECON370 - Duplicate entry in table FAGLBSIS_BCK: &1 message(s)

FINS_RECON370 - Overview

• Message type: E = Error

• Message class: FINS_RECON - SAP S/4HANA Finance Migration: Reconciliation

• Message number: 370

• Message text: Duplicate entry in table FAGLBSIS_BCK: &1 message(s)

What causes this issue?

There are line items in table BSEG with duplicate entry in the index
table FAGLBSIS_BCK.

System Response

The system informs about this inconsistency which has to be corrected in
your productive system before starting the data migration.

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.

FINS_RECON370 - Details

• The SAP error message FINS_RECON370 indicates that there is a duplicate entry in the table FAGLBSIS_BCK. This table is typically used in the context of the General Ledger (G/L) accounting module in SAP, particularly for storing line items related to the balance sheet.
  
  Cause:
  The error usually occurs due to one of the following reasons:
  
  Data Migration Issues: If data was migrated from another system or during a system upgrade, duplicate entries may have been inadvertently created.
  Incorrect Posting Logic: If there are issues in the posting logic or if the same transaction is being processed multiple times, it can lead to duplicates.
  Concurrency Issues: If multiple users or processes are trying to post the same data simultaneously, it may result in duplicate entries.
  Custom Code: If there are custom programs or enhancements that manipulate the data in the FAGLBSIS_BCK table, they may not be handling duplicates correctly.
  
  
  Solution:
  To resolve the issue, you can take the following