How To Fix FIN_FB_RECON356 - Duplicate entry in table BSID

SAP Error Message - Details

• 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 by fields such as customer account, document number, and fiscal year.
  
  
  
  Delete or Adjust Duplicates:
  
  If duplicates are found, you may need to delete or adjust the duplicate entries. This can be done through transaction codes like FB08 (to reverse a document) or by using the appropriate accounting transactions to clear the duplicates.
  
  
  
  Check for Batch Jobs:
  
  If the error occurs during batch processing, review the batch jobs to ensure they are not set to reprocess already posted transactions.
  
  
  
  Review Data Migration:
  
  If the issue arose after a data migration, review the migration process to ensure that it included checks for duplicates and that the data was cleaned before migration.
  
  
  
  Consult with Technical Support:
  
  If the issue persists, it may be necessary to consult with SAP support or your technical team to investigate further, especially if it involves custom developments or configurations.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FB03: Display Document
  FB08: Reverse Document
  SE16/SE11: Data Browser/Table Display
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation regarding accounts receivable and the handling of open items to understand the implications of duplicate entries.
  
  Preventive Measures:
  
  Implement checks and validations in the posting process to prevent duplicate entries.
  Regularly monitor the BSID table for anomalies and perform reconciliations to ensure data integrity.
  Train users on proper data entry procedures to minimize the risk of manual errors.
  
  By following these steps, you should be able to resolve the FIN_FB_RECON356 error and prevent it from occurring in the future.