How To Fix FINS_RECON357 - &1: Duplicate entry in table BSAD_BCK

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 357

• Message text: &1: Duplicate entry in table BSAD_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 367).

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_RECON357 - &1: Duplicate entry in table BSAD_BCK ?

  The SAP error message FINS_RECON357 with the description "Duplicate entry in table BSAD_BCK" typically indicates that there is a duplicate entry in the backup table for open items in accounts receivable (BSAD_BCK). This can occur during processes such as reconciliation or when trying to post transactions that involve accounts receivable.
  Cause:
  
  Data Integrity Issues: The most common cause of this error is data integrity issues where the same entry is being attempted to be inserted into the BSAD_BCK table, which is not allowed.
  System Bugs: Sometimes, bugs in the SAP system or issues with specific transactions can lead to duplicate entries being created.
  Manual Data Entry: If users are manually entering data or performing operations that lead to the same entry being processed multiple times, this can also trigger the error.
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like SE16 or SE11 to access the BSAD_BCK table and check for duplicate entries. You can run a query to identify duplicates based on key fields.
  
  
  
  Delete Duplicate Entries: 
  
  If duplicates are found, you may need to delete the duplicate entries from the BSAD_BCK table. This should be done with caution and ideally in consultation with your SAP Basis or ABAP team to ensure that it does not affect other processes.
  
  
  
  Review Custom Code: 
  
  If there are any custom programs or enhancements that interact with the accounts receivable tables, review them to ensure they are not causing duplicates.
  
  
  
  Check for System Notes: 
  
  Look for any SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  
  
  
  Consult SAP Support: 
  
  If the issue persists, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific version of SAP you are using and any known issues.
  
  
  
  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 Procedures: Ensure that you have proper backup procedures in place before making any changes to the database tables.
  Testing: After resolving the issue, conduct thorough testing to ensure that the problem does not recur and that the system functions as expected.
  
  Always ensure that any actions taken to resolve database issues are performed in accordance with your organization's policies and procedures, and consider involving your SAP Basis team for support.