How To Fix FINS_RECON343 - &1: Item in BSEG_ADD but missing in tables FAGLBSIS_BCK and FAGLBSAS_BCK

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 343

• Message text: &1: Item in BSEG_ADD but missing in tables FAGLBSIS_BCK and FAGLBSAS_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 353).

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_RECON343 - &1: Item in BSEG_ADD but missing in tables FAGLBSIS_BCK and FAGLBSAS_BCK ?

  The SAP error message FINS_RECON343 indicates that there is a discrepancy between the BSEG_ADD table and the balance sheet tables FAGLBSIS_BCK and FAGLBSAS_BCK. This typically occurs during the reconciliation process, where the system expects certain entries to be present in the balance sheet tables but finds them missing.
  
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is data inconsistency between the BSEG_ADD table (which contains additional line item data) and the balance sheet tables (FAGLBSIS_BCK and FAGLBSAS_BCK). This can happen due to incomplete postings, failed updates, or issues during data migration.
  
  
  Missing Entries: If there are entries in BSEG_ADD that should have been posted to the balance sheet tables but were not, this error will occur.
  
  
  Custom Developments: If there are custom programs or enhancements that manipulate financial data, they might inadvertently lead to inconsistencies.
  
  
  System Upgrades or Migrations: Changes in the system, such as upgrades or migrations, can sometimes lead to inconsistencies