How To Fix FINS_CFIN_EX_INTF010 - Reference key of journal entry &1, &2, &3 must be unique.

SAP Error Message - Details

• Message type: E = Error

• Message class: FINS_CFIN_EX_INTF - Central Finance - External Interface (3rd Party)

• Message number: 010

• Message text: Reference key of journal entry &1, &2, &3 must be unique.

What causes this issue?

When posting the journal entry in the <LS>Central Finance</> system, the
system finds an already existing journal entry with the respective
reference key.

System Response

The journal entry cannot be posted in the <LS>Central Finance</> system.

How to fix this error?

Please adapt your report to extract the data from the third-party
system, so that the reference keys are unique.

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 FINS_CFIN_EX_INTF010 - Reference key of journal entry &1, &2, &3 must be unique. ?

  The SAP error message FINS_CFIN_EX_INTF010 indicates that there is a uniqueness constraint violation for a journal entry in the Central Finance (CFIN) system. This error typically occurs when the system detects that the reference key for a journal entry is not unique, meaning that there are multiple entries with the same reference key in the system.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate journal entries in the source system or during the data transfer process to the Central Finance system.
  Incorrect Configuration: There may be issues with the configuration of the Central Finance system, particularly in how it handles journal entries and their reference keys.
  Data Migration Issues: If data was migrated from legacy systems, there may have been duplicates that were not resolved before the migration.
  Integration Issues: Problems in the integration between the source system and Central Finance can lead to duplicate entries being sent.
  
  Solution:
  
  Identify Duplicates: Check the source system for duplicate journal entries with the same reference key. You can use transaction codes like SE16 or SE11 to query the relevant tables.
  Correct Data: If duplicates are found, you will need to correct the data in the source system. This may involve deleting or modifying the duplicate entries to ensure that each reference key is unique.
  Review Configuration: Ensure that the configuration settings in the Central Finance system are correct and that they align with the business requirements for journal entries.
  Data Validation: Implement data validation checks before transferring data to the Central Finance system to prevent duplicates from being sent.
  Consult Documentation: Review SAP documentation or notes related to Central Finance and journal entry processing for any specific guidelines or recommendations.
  Engage SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific configuration and version of your system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  FB03: Display Document
  FBL1N: Vendor Line Item Display
  FBL3N: G/L Account Line Item Display
  FBL5N: Customer Line Item Display
  
  
  Tables: Understand the relevant tables that store journal entry data, such as:
  
  BKPF: Accounting Document Header
  BSEG: Accounting Document Segment
  
  
  SAP Notes: Search for SAP Notes related to Central Finance and journal entry processing for any known issues or patches that may address this error.
  
  By following these steps, you should be able to resolve the error and ensure that journal entries in your Central Finance system are processed correctly.