How To Fix FIN_FB_RECON342 - Item in BSEG but missing in index tables FAGLBSIS/FAGLBSAS

SAP Error Message - Details

• Message type: E = Error

• Message class: FIN_FB_RECON - Conversion to S/4HANA: Reconciliation

• Message number: 342

• Message text: Item in BSEG but missing in index tables FAGLBSIS/FAGLBSAS

What causes this issue?

There are line items in table BSEG which are neither available in the
index table FAGLBSIS nor in the index table FAGLBSAS.

System Response

The system informs about this inconsistency which must be corrected in
your productive system before starting the data migration.

How to fix this error?

For more information, see
<DS:URLA.HTTPS://LAUNCHPAD.SUPPORT.SAP.COM/#/NOTES/2714344>SAP Note
2714344.</>

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FIN_FB_RECON342 - Item in BSEG but missing in index tables FAGLBSIS/FAGLBSAS ?

  The SAP error message FIN_FB_RECON342 indicates that there is a discrepancy between the line items in the BSEG table and the corresponding entries in the index tables FAGLBSIS (for General Ledger) and FAGLBSAS (for Special Purpose Ledger). This typically occurs during reconciliation processes or when trying to access financial data that relies 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 deletions or modifications of entries in the BSEG table without corresponding updates in the index tables.
  Issues during data migration or system upgrades.
  
  
  
  Index Table Not Updated: The index tables may not have been updated correctly after a posting, leading to missing entries.
  
  
  Database Issues: Corruption or issues in the database can also lead to inconsistencies.
  
  
  Solution:
  
  
  Rebuild Index Tables: You can rebuild the index tables FAGLBSIS and FAGLBSAS. This can be done using the transaction code:
  
  Transaction Code: FBRA (Reset Document) or FAGLBSIS and FAGLBSAS specific programs to rebuild the index.
  Program: Use the program FAGLBSIS to regenerate the index for the General Ledger.
  
  
  
  Check for Inconsistencies: Use the transaction code FBL3N or FBL1N to check for inconsistencies in the line items. You can also run reports to identify discrepancies.
  
  
  Data Consistency Check: Use the transaction code SARA to perform a data consistency check. This can help identify and resolve issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  
  
  Consult SAP Support: If the issue persists after trying the above solutions, it may be necessary to consult SAP Support for further assistance. They can provide guidance based on the specific version and configuration of your SAP system.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like FB03 (Display Document), FBL1N (Vendor Line Item Display), and FBL3N (G/L Account Line Item Display) for checking line items.
  Backup: Always ensure you have a backup of your data before performing any operations that modify the database.
  Testing: If possible, test the solutions in a development or test environment before applying them in production.
  
  By following these steps, you should be able to resolve the FIN_FB_RECON342 error and ensure that your financial data is consistent across the relevant tables.