How To Fix FIN_FB_RECON334 - Open item in BSEG, missing in BSIS (but available in BSAS)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 334

• Message text: Open item in BSEG, missing in BSIS (but available in BSAS)

What causes this issue?

There are open line items in table BSEG which are <ZH>not</> available
in the index table BSIS but these open line items are already available
in the index table BSAS.

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_RECON334 - Open item in BSEG, missing in BSIS (but available in BSAS) ?

  The SAP error message FIN_FB_RECON334 indicates a discrepancy between the open items in the BSEG (Accounting Document Segment) table and the balance sheet items in the BSIS (Accounting: Secondary Index for G/L Accounts) table. This error typically arises when there are inconsistencies in the data due to various reasons, such as data migration issues, incorrect postings, or incomplete clearing of items.
  Causes:
  
  Data Migration Issues: If data was migrated from another system or during a system upgrade, inconsistencies may occur if the migration process did not correctly handle open items.
  Incorrect Postings: Manual errors during posting transactions can lead to discrepancies between the BSEG and BSIS tables.
  Clearing Issues: If an item was cleared in the BSEG but not updated in the BSIS, or if the clearing process was interrupted, it can lead to this error.
  Custom Developments: Custom programs or enhancements that manipulate financial data may inadvertently cause inconsistencies.
  Database Issues: Corruption or issues in the database can also lead to discrepancies between these tables.
  
  Solutions:
  
  Check for Inconsistencies: Use transaction codes like FB03 to review the specific document in BSEG and S_ALR_87012357 (or similar reports) to analyze the balance sheet items in BSIS.
  Reconcile Data: Perform a reconciliation of the open items in BSEG with the items in BSIS. This may involve running reports to identify discrepancies and manually correcting them.
  Clearing Items: If the issue is related to clearing, ensure that all relevant items are properly cleared and that the clearing documents are correctly posted.
  Data Repair: In some cases, you may need to use transaction FBRA (Reset Cleared Items) or FB08 (Reverse Document) to correct the postings.
  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.
  Database Consistency Check: If you suspect database issues, consider running consistency checks or database repair tools as recommended by SAP.
  
  Related Information:
  
  BSEG Table: Contains line item details for accounting documents.
  BSIS Table: Contains balance sheet items for G/L accounts.
  BSAS Table: Contains cleared items for G/L accounts.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03, FBL1N, FBL3N, and S_ALR_87012357 for analyzing and reconciling financial data.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves complex data integrity issues.
  
  Always ensure to back up your data before making any changes and, if necessary, consult with your SAP Basis or functional team for further assistance.