Message type: E = Error
Message class:  FKK_PAY - Payment Services 
Message number: 005
Message text: Payment release created under the ID &1
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The SAP error message FKK_PAY005 indicates that a payment release has already been created for the specified ID. This typically occurs in the context of the SAP Contract Accounts Receivable and Payable (FI-CA) module, where payment processing is managed.
Cause: The error arises when an attempt is made to create a payment release for an ID that has already been processed. This can happen due to: Duplicate processing attempts for the same payment. A system error or misconfiguration that leads to multiple submissions. Manual errors where the same payment ID is entered multiple times.
Solution: To resolve the FKK_PAY005 error, you can take the following steps: Check Payment Status: Verify the status of the payment release for the ID in question. You can do this by navigating to the relevant transaction in SAP (e.g., using transaction code FPL9 or FBL5N) to see if a payment release already exists. Review Payment Documents: Look for any existing payment documents associated with
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