How To Fix FINS_RECON368 - Duplicate entry in table BSIK_BCK: &1 message(s)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 368

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

What causes this issue?

There are line items in table BSEG with duplicate entry in the index
table BSIK_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_RECON368 - Duplicate entry in table BSIK_BCK: &1 message(s) ?

  The SAP error message FINS_RECON368 indicates that there is a duplicate entry in the table BSIK_BCK. This table is typically used for storing accounting documents related to open items in accounts payable. The error suggests that the system has detected multiple entries that should be unique, which can lead to inconsistencies in financial reporting and processing.
  Cause:
  
  Data Entry Errors: Duplicate entries may occur due to manual data entry mistakes or incorrect data uploads.
  System Bugs: There may be bugs in the SAP system or issues with custom developments that lead to the creation of duplicate records.
  Integration Issues: If there are integrations with other systems (like third-party applications), they might be sending duplicate data to SAP.
  Inconsistent Data Migration: During data migration or system upgrades, if the data is not handled properly, it can lead to duplicates.
  
  Solution:
  
  
  Identify Duplicates: Use SQL queries or SAP transaction codes (like SE16 or SE11) to check the BSIK_BCK table for duplicate entries. You can look for entries with the same key fields (like document number, company code, etc.).
  Example SQL query:
  SELECT * FROM BSIK_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 that you have backups and that you understand the implications of removing data.
  
  
  Check for Custom Code: If the duplicates are being created by custom code or enhancements, review that code to ensure it is functioning correctly and not causing duplicates.
  
  
  Review Data Upload Processes: If the duplicates are a result of data uploads, review the processes and ensure that they include checks for existing records before inserting new ones.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that might address this issue. There may be known issues or fixes provided by SAP.
  
  
  Engage SAP Support: If the issue persists and you cannot identify the root cause, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE16 (Data Browser) or SE11 (Data Dictionary) to explore the BSIK_BCK table.
  Documentation: Review SAP documentation related to financial accounting and the specific modules you are using to understand how the BSIK_BCK table is populated.
  Testing: After resolving the issue, conduct thorough testing to ensure that the problem does not recur and that the financial data remains consistent.
  
  By following these steps, you should be able to address the FINS_RECON368 error effectively.