How To Fix FIN_FB_RECON356 - Duplicate entry in table BSID

FIN_FB_RECON356 - Overview

• Message type: E = Error

• Message class: FIN_FB_RECON - Conversion to S/4HANA: Reconciliation

• Message number: 356

• Message text: Duplicate entry in table BSID

What causes this issue?

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

System Response

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

How to fix this error?

For more information, see
<DS:URLA.HTTPS://LAUNCHPAD.SUPPORT.SAP.COM/#/NOTES/2714344>SAP Note
2714344.</>

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FIN_FB_RECON356 - Duplicate entry in table BSID ?

  The SAP error message FIN_FB_RECON356, which indicates a "Duplicate entry in table BSID," typically arises during financial document processing, particularly when dealing with accounts receivable. The BSID table in SAP stores open items for customer accounts, and a duplicate entry suggests that there is an attempt to post a transaction that already exists in this table.
  Causes:
  
  Duplicate Posting: The most common cause is that a transaction has been posted more than once, leading to duplicate entries in the BSID table.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not properly handled during the migration process.
  Incorrect Configuration: Configuration settings in the system may allow for duplicate entries under certain conditions.
  User Error: Manual entry errors or incorrect batch processing can lead to duplicate postings.
  
  Solutions:
  
  
  Identify Duplicate Entries:
  
  Use transaction codes like SE16 or SE11 to access the BSID table and identify the duplicate entries. You can filter