How To Fix FINS_RECON344 - Open item in BSEG, missing in BSIS_BCK: &1 message(s)

FINS_RECON344 - Overview

• Message type: E = Error

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

• Message number: 344

• Message text: Open item in BSEG, missing in BSIS_BCK: &1 message(s)

What causes this issue?

There are open line items in table BSEG which are <ZH>not</> available
in the index table BSIS_BCK but these open line items are already
available 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?

This inconsistency can be corrected by program 'FIN_CORR_MIG_ERROR_SFIN'
in the original source system (i. e. your productive system):
If you want to correct inconsistencies concerning clearing information
found in migration to S/4HANA Finance, then you have to start program
FIN_CORR_MIG_ERROR_SFIN in the original source system. The
inconsistencies which have to be corrected are determined by a RFC-call
from the original source system to this system. For more information,
read the program documentation of program FIN_CORR_MIG_ERROR_SFIN in the
original source system.
This procedure of correction in the original source system will ensure
that these inconsistencies will not occur in future test migrations any
more.

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_RECON344 - Open item in BSEG, missing in BSIS_BCK: &1 message(s) ?

  The SAP error message FINS_RECON344 indicates that there is an inconsistency between the open items in the BSEG (Accounting Document Segment) table and the BSIS_BCK (Index for Accounting Documents) table. Specifically, it means that there are open items recorded in the BSEG table that are not found in the BSIS_BCK table.
  
  Cause:
  
  
  Data Inconsistency: This error typically arises due to data inconsistencies, which can occur during various processes such as:
  
  Data migration or conversion processes.
  System upgrades or changes that did not properly synchronize the tables.
  Manual data entry errors or incorrect postings.
  Issues during the execution of batch jobs that update these tables.
  
  
  
  Archiving Issues: If the archiving process was not executed correctly, it might lead to discrepancies between the tables.
  
  
  Custom Development: Custom programs or enhancements that manipulate financial data may inadvertently cause inconsistencies.
  
  
  
  Solution:
  To resolve the FINS_RECON344 error, you can follow these steps:
  
  
  Check for Inconsistencies:
  
  Use transaction codes like SE16 or SE11 to examine the BSEG and