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

FKKEXC254 - Overview

• 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.

FKKEXC254 - Details

• 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