How To Fix FINS_RECON354 - &1: Duplicate entry in table BSIS_BCK

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 354

• Message text: &1: Duplicate entry in table BSIS_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 (duplicate entry in index table) can be found
in the summary at the end of the application log (message number 364).

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_RECON354 - &1: Duplicate entry in table BSIS_BCK ?

  The SAP error message FINS_RECON354 indicates that there is a duplicate entry in the table BSIS_BCK. This table is typically used for storing line items in the general ledger, and duplicates can occur due to various reasons, such as data inconsistencies, incorrect postings, or issues during data migration.
  Cause:
  
  Data Migration Issues: If data was migrated from another system or during a system upgrade, duplicate entries may have been created.
  Incorrect Manual Entries: Users may have manually entered the same transaction multiple times.
  Batch Processing Errors: If batch jobs are run multiple times without proper checks, they may create duplicates.
  System Bugs: Occasionally, bugs in the SAP system or custom code can lead to duplicate entries.
  
  Solution:
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE16 or SE11) to identify the duplicate entries in the BSIS_BCK table.
  Data Cleanup: Once duplicates are identified, you can either delete or correct the duplicate entries. Ensure that you have a backup before making any changes.
  Review Posting Procedures: Check the procedures for posting transactions to ensure that they are not being posted multiple times.
  Check Batch Jobs: If batch jobs are involved, review their logs to ensure they are not being executed more than once inadvertently.
  Consult SAP Notes: Look for any relevant SAP Notes that might address this specific error or provide guidance on handling duplicates.
  Implement Validation Checks: If duplicates are a recurring issue, consider implementing validation checks in your posting processes to prevent them from occurring in the future.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE16 or SE11 to view the contents of the BSIS_BCK table.
  SAP Notes: Search the SAP Support Portal for notes related to FINS_RECON354 or BSIS_BCK for any patches or updates that may resolve the issue.
  Documentation: Review SAP documentation regarding general ledger postings and data migration best practices to prevent future occurrences.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.