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

FKKEXC181 - Overview

• 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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FKKEXC181 - Details

• 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