How To Fix FINS_RECON351 - Item in BSEG without BSIK_BCK/BSAK_BCK: &1 message(s)

FINS_RECON351 - Overview

• Message type: E = Error

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

• Message number: 351

• Message text: Item in BSEG without BSIK_BCK/BSAK_BCK: &1 message(s)

What causes this issue?

There are line items in table BSEG which are neither available in the
index table BSIK_BCK nor in the index table BSAKCK.

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_RECON351 - Details

• The SAP error message FINS_RECON351 indicates that there is an inconsistency in the reconciliation between the line items in the BSEG table (which contains accounting document line items) and the corresponding clearing documents in the BSIK_BCK (for open items) or BSAK_BCK (for cleared items) tables. Specifically, it means that there are items in the BSEG table that do not have corresponding entries in the BSIK_BCK or BSAK_BCK tables.
  
  Cause:
  
  
  Data Inconsistency: This error typically arises due to data inconsistencies, which can occur for various reasons, such as:
  
  Manual changes to accounting documents that bypass standard processes.
  Issues during data migration or system upgrades.
  Incorrectly processed clearing transactions.
  Deletion of entries in BSIK_BCK or BSAK_BCK without corresponding updates in BSEG.
  
  
  
  
  Configuration Issues: Incorrect configuration in the financial accounting module can also lead to this error.
  
  
  
  Solution:
  To resolve the FINS_RECON351 error, you can follow these steps:
  
  
  Check for Missing Entries:
  
  Use transaction codes like SE16 or SE11 to check the BSEG, BSIK_BCK,