How To Fix FINS_RECON334 - &1: Open item in BSEG, missing in BSIS_BCK (but available in BSAS_BCK)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 334

• Message text: &1: Open item in BSEG, missing in BSIS_BCK (but available in 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 clearing information) can be
found in the summary at the end of the application log (message number
344).

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_RECON334 - &1: Open item in BSEG, missing in BSIS_BCK (but available in BSAS_BCK) ?

  The SAP error message FINS_RECON334 indicates a reconciliation issue between the open items in the BSEG table and the corresponding entries in the BSIS_BCK and BSAS_BCK tables. This error typically arises during the reconciliation process, where the system checks for consistency between these tables.
  Cause:
  
  
  Data Inconsistency: The error suggests that there is an open item in the BSEG table that is not found in the BSIS_BCK table but is available in the BSAS_BCK table. This inconsistency can occur due to various reasons, such as:
  
  Manual changes or deletions in the database.
  Issues during the posting or clearing of documents.
  Data migration or system upgrades that did not complete successfully.
  Incorrect configuration or settings in the financial module.
  
  
  
  Clearing Issues: If a document was cleared but the corresponding entries in the BSIS_BCK table were not updated correctly, this could lead to the error.
  
  
  Solution:
  
  
  Data Consistency Check: Perform a consistency check between the BSEG, BSIS_BCK, and BSAS_BCK tables. You can use transaction codes like SE16 or SE11 to view the data in these tables and identify discrepancies.
  
  
  Reconcile Open Items: Use the transaction code F.13 (Automatic Clearing) to attempt to clear the open items. This process may help in updating the BSIS_BCK table with the correct entries.
  
  
  Manual Adjustments: If automatic clearing does not resolve the issue, you may need to manually adjust the entries. This could involve:
  
  Manually posting the missing entries to the BSIS_BCK table.
  Deleting or correcting erroneous entries in the BSEG table.
  
  
  
  Check for Custom Code: If there are any custom programs or enhancements that interact with these tables, review them to ensure they are functioning correctly.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that can resolve the issue.
  
  
  Engage SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error and the steps you have taken to troubleshoot.
  
  
  Related Information:
  
  BSEG: This table contains line item data for accounting documents.
  BSIS_BCK: This is a backup table for open items in the general ledger.
  BSAS_BCK: This is a backup table for cleared items in the general ledger.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL1N (Vendor Line Item Display), FBL3N (G/L Account Line Item Display), and FBL5N (Customer Line Item Display) for further investigation.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.