How To Fix FINS_RECON367 - Duplicate entry in table BSAD_BCK: &1 message(s)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 367

• Message text: Duplicate entry in table BSAD_BCK: &1 message(s)

What causes this issue?

There are line items in table BSEG with duplicate entry in the index
table BSAD_BCK.

System Response

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

How to fix this error?

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

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_RECON367 - Duplicate entry in table BSAD_BCK: &1 message(s) ?

  The SAP error message FINS_RECON367 indicates that there is a duplicate entry in the table BSAD_BCK. This table is typically used for storing accounting documents related to accounts receivable. The error suggests that there are multiple entries in this table that are not supposed to exist, which can lead to inconsistencies in financial reporting and reconciliation processes.
  Cause:
  
  Data Migration Issues: If data was migrated from another system or during a system upgrade, duplicate entries may have been created.
  Incorrect Posting Logic: Custom programs or user errors during data entry can lead to duplicate postings.
  Concurrency Issues: If multiple users are posting transactions simultaneously, it may lead to duplicates if proper checks are not in place.
  System Bugs: Occasionally, bugs in the SAP system or specific configurations can lead to unexpected behavior, including duplicate entries.
  
  Solution:
  
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE16 or SE11) to identify the duplicate entries in the BSAD_BCK table. You can look for entries with the same key fields (like document number, company code, etc.).
  Example SQL query:
  SELECT * FROM BSAD_BCK
  GROUP BY <key_fields>
  HAVING COUNT(*) > 1;
  
  
  Remove Duplicates: Once identified, you can either delete the duplicate entries or correct them based on your business rules. Be cautious with deletions; ensure you have backups and that you understand the implications of removing data.
  
  
  Check Posting Logic: Review the logic of any custom programs or user processes that may be causing duplicates. Implement checks to prevent future duplicates.
  
  
  Data Consistency Checks: Run SAP standard reports or consistency checks to ensure that your financial data is accurate and that there are no other inconsistencies.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on handling duplicates in the BSAD_BCK table.
  
  
  Engage SAP Support: If the issue persists or if you are unsure about how to proceed, consider reaching out to SAP Support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze the data in the BSAD_BCK table.
  Backup: Always ensure that you have a backup of your data before making any changes to the database.
  Testing: If you implement any changes, test them in a development or quality assurance environment before applying them to production.
  
  By following these steps, you should be able to resolve the FINS_RECON367 error and prevent it from occurring in the future.