How To Fix FKKEXC254 - Unable to post payment &3 in cash desk &1/&2 (payment category &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKEXC - Message Class for External Payments

• Message number: 254

• Message text: Unable to post payment &3 in cash desk &1/&2 (payment category &4)

What causes this issue?

An error occurred during the processing of payment &v3&.
The payment cannot be posted or included in a payment lot.

System Response

Payment &v3& of cash desk &v1&/&v2& (payment category &v4&) cannot be
posted directly again.

How to fix this error?

Analyze the payment in the Monitor for External Cash Desk Services
(transaction <LS>FKKEXC_MONI</>) and remove the error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKEXC254 - Unable to post payment &3 in cash desk &1/&2 (payment category &4) ?

  The SAP error message FKKEXC254 indicates that there is an issue with posting a payment in the cash desk. This error typically arises in the context of the Contract Accounts Receivable and Payable (FI-CA) module. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Incorrect Payment Category: The payment category specified in the error message may not be valid for the transaction you are trying to process.
  Cash Desk Configuration: The cash desk may not be properly configured to handle the specified payment category.
  Authorization Issues: The user may not have the necessary authorizations to post payments in the specified cash desk.
  Open Items: There may be open items that are not eligible for payment processing due to their status or configuration.
  System Settings: There could be system settings or parameters that restrict the posting of certain payment types in the cash desk.
  
  Solutions:
  
  Check Payment Category: Verify that the payment category (&4) is valid for the transaction. You may need to consult the configuration settings in the FI-CA module to ensure that the payment category is correctly set up.
  Review Cash Desk Configuration: Ensure that the cash desk (&1/&2) is configured to accept the payment category you are trying to use. This may involve checking the cash desk settings in the system.
  User Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to post payments in the specified cash desk.
  Review Open Items: Look at the open items associated with the payment to ensure they are eligible for payment processing. Resolve any issues with the items that may prevent posting.
  Consult Documentation: Refer to SAP documentation or help resources for specific configuration settings related to cash desks and payment processing in FI-CA.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like FPAYHIST to view payment history or FPL9 to analyze payment documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration and troubleshooting.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP FI-CA expert for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.