How To Fix FKKEXC181 - Payment document &1 is duplicated in table DFKKEXC

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKEXC - Message Class for External Payments

• Message number: 181

• Message text: Payment document &1 is duplicated in table DFKKEXC

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKEXC181 - Payment document &1 is duplicated in table DFKKEXC ?

  The SAP error message FKKEXC181 indicates that there is a duplicate payment document in the table DFKKEXC. This typically occurs in the context of contract accounts receivable and payable (FI-CA) when the system detects that a payment document with the same reference already exists in the database.
  Cause:
  
  Duplicate Entry: The most common cause is that the payment document has been entered more than once, either due to user error or a system issue.
  Data Migration Issues: If data was migrated from another system or during a system upgrade, duplicate entries may have been created.
  Concurrency Issues: If multiple users or processes are trying to create the same payment document simultaneously, it can lead to duplicates.
  Incorrect Configuration: There may be issues with the configuration of the payment processing that allow duplicates to be created.
  
  Solution:
  
  Check for Duplicates: Use transaction codes like SE16 or SE11 to access the DFKKEXC table and check for existing entries with the same payment document number.
  Delete or Correct Duplicates: If duplicates are found, you may need to delete or correct the duplicate entries. This should be done with caution and ideally in consultation with your SAP support team or a functional consultant.
  Review Data Entry Processes: Ensure that the processes for entering payment documents are robust and include checks to prevent duplicates.
  Implement Validation Checks: Consider implementing validation checks in your payment processing to prevent the creation of duplicate documents.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this issue or provide additional guidance on handling duplicates in the DFKKEXC table.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like FBL5N (Customer Line Item Display) and FBL1N (Vendor Line Item Display) to review related documents.
  SAP Support: If the issue persists or if you are unsure about how to proceed, consider reaching out to SAP support for assistance.
  Documentation: Review SAP documentation related to FI-CA and payment processing for best practices and guidelines on handling payment documents.
  
  Always ensure that you have proper backups and that you are following your organization's change management procedures when making changes to the database or configuration.