How To Fix FINS_RECON339 - &1: Item in BSEG but missing in index tables BSIS_BCK and BSAS_BCK

FINS_RECON339 - Overview

• Message type: E = Error

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

• Message number: 339

• Message text: &1: Item in BSEG but missing in index tables BSIS_BCK and BSAS_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 349).

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_RECON339 - &1: Item in BSEG but missing in index tables BSIS_BCK and BSAS_BCK ?

  The SAP error message FINS_RECON339 indicates that there is a discrepancy between the line items in the BSEG table and the corresponding index tables BSIS_BCK (for open items) and BSAS_BCK (for cleared items). This typically occurs during reconciliation processes or when running reports that rely on these index tables.
  
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is data inconsistency between the BSEG table and the index tables. This can happen due to:
  
  Incomplete or failed postings.
  Manual changes to the database that bypass standard SAP processes.
  Issues during data migration or system upgrades.
  Errors during the execution of the program that updates the index tables.
  
  
  
  Index Table Not Updated: The index tables (BSIS_BCK and BSAS_BCK) may not have been updated correctly after a transaction was posted to the BSEG table.
  
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Run the Reconciliation Program:
  
  Use transaction code SARA to run the program that reconciles the BSEG table with