How To Fix FINS_RECON340 - &1: Item in BSEG but missing in index tables BSID_BCK and BSAD_BCK

FINS_RECON340 - Overview

• Message type: E = Error

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

• Message number: 340

• Message text: &1: Item in BSEG but missing in index tables BSID_BCK and BSAD_BCK

What causes this issue?

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

System Response

How to fix this error?

Details about this issue (possible missing entries in both index tables)
can be found in the summary at the end of the application log (message
number 350).

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_RECON340 - &1: Item in BSEG but missing in index tables BSID_BCK and BSAD_BCK ?

  The SAP error message FINS_RECON340 indicates that there is a discrepancy between the line items in the BSEG table and the corresponding index tables BSID_BCK (for open items) and BSAD_BCK (for cleared items). This typically occurs during reconciliation processes or when running reports that require consistency between these tables.
  
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is data inconsistency, which can occur due to various reasons such as:
  
  Incomplete or failed postings.
  Manual changes to the database that bypass standard SAP processes.
  Issues during data migration or system upgrades.
  Errors during the archiving process.
  
  
  
  Index Table Issues: The index tables (BSID_BCK and BSAD_BCK) may not have been updated correctly after a transaction was posted to BSEG, leading to missing entries.
  
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Run the Reconciliation Report: Use transaction code F.5 (or F.5H for a more detailed analysis) to run the reconciliation report. This report can help identify discrepancies between