How To Fix FIN_FB_RECON360 - Duplicate entry in table FAGLBSIS

FIN_FB_RECON360 - Overview

• Message type: E = Error

• Message class: FIN_FB_RECON - Conversion to S/4HANA: Reconciliation

• Message number: 360

• Message text: Duplicate entry in table FAGLBSIS

What causes this issue?

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

System Response

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

How to fix this error?

For more information, see
<DS:URLA.HTTPS://LAUNCHPAD.SUPPORT.SAP.COM/#/NOTES/2714344>SAP Note
2714344.</>

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FIN_FB_RECON360 - Duplicate entry in table FAGLBSIS ?

  The SAP error message FIN_FB_RECON360, which indicates a "Duplicate entry in table FAGLBSIS," typically arises during the reconciliation process in financial accounting. This error suggests that there are duplicate entries in the FAGLBSIS table, which is used for storing line items for the General Ledger (G/L) in the new General Ledger Accounting (New G/L) functionality.
  
  Cause:
  
  Data Entry Issues: Duplicate entries may occur due to incorrect data entry or processing errors during posting.
  System Errors: Bugs or inconsistencies in the system during data migration or updates can lead to duplicate records.
  Parallel Processing: If multiple processes are trying to post the same data simultaneously, it can result in duplicates.
  Custom Programs: Custom ABAP programs or enhancements that manipulate financial data may inadvertently create duplicates.
  
  
  Solution:
  
  
  Identify Duplicates: Use SQL queries or transaction codes (like SE16 or SE11) to check the FAGLBSIS table for duplicate entries. You can run a query to find entries with the same document