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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FINS_RECON351 - Item in BSEG without BSIK_BCK/BSAK_BCK: &1 message(s) ?

  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, and BSAK_BCK tables for the specific item number mentioned in the error message.
  Identify if the item in BSEG has a corresponding entry in BSIK_BCK or BSAK_BCK.
  
  
  
  Reconcile Data:
  
  If you find discrepancies, you may need to reconcile the data manually. This could involve creating missing entries or correcting existing ones.
  
  
  
  Use SAP Reports:
  
  Utilize standard SAP reports such as FBL1N (Vendor Line Item Display) or FBL3N (G/L Account Line Item Display) to analyze the line items and their statuses.
  
  
  
  Run Consistency Checks:
  
  Use transaction FBRA (Reset Cleared Items) or FB08 (Reverse Document) to correct any inconsistencies in cleared items.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  
  
  
  Engage Technical Support:
  
  If the issue persists, consider reaching out to your SAP Basis or technical support team for further investigation. They may need to run specific programs or scripts to correct the inconsistencies.
  
  
  
  Related Information:
  
  BSEG Table: Contains line items for accounting documents.
  BSIK_BCK Table: Contains open items for vendor accounts.
  BSAK_BCK Table: Contains cleared items for vendor accounts.
  Transaction Codes: Familiarize yourself with relevant transaction codes for troubleshooting, such as SE16, FBRA, FB08, FBL1N, and FBL3N.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the FINS_RECON351 error in your SAP system.