How To Fix FINS_RECON365 - Duplicate entry in table BSAS_BCK: &1 message(s)

FINS_RECON365 - Overview

• Message type: E = Error

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

• Message number: 365

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

What causes this issue?

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

Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_RECON365 - Duplicate entry in table BSAS_BCK: &1 message(s) ?

  The SAP error message "FINS_RECON365 Duplicate entry in table BSAS_BCK: &1 message(s)" typically indicates that there is a duplicate entry in the BSAS_BCK table, which is used for storing accounting document information in the SAP system. This error can occur during various financial processes, such as posting documents or running reconciliation reports.
  
  Cause:
  
  
  Duplicate Entries: The primary cause of this error is the presence of duplicate entries in the BSAS_BCK table. This can happen due to:
  
  Incorrect data entry or posting processes.
  Issues during data migration or system upgrades.
  Concurrent postings that lead to race conditions.
  
  
  
  Data Integrity Issues: There may be underlying data integrity issues in the database that lead to duplicates.
  
  
  Custom Programs or Enhancements: If there are custom programs or enhancements that interact with the BSAS_BCK table, they may inadvertently create duplicates.
  
  
  
  Solution:
  
  
  Identify Duplicates: Use SQL queries to identify the duplicate entries in the BSAS_BCK table. You can run a query like:
  SELECT * FROM BSAS_BCK
  GROUP