How To Fix FKKPREP202 - Error when determining merchant ID and authorization function

FKKPREP202 - Overview

• Message type: E = Error

• Message class: FKKPREP - Prepaid Functions

• Message number: 202

• Message text: Error when determining merchant ID and authorization function

What causes this issue?

One of the following values could not be determined for the payment
authorization:
Merchant ID for the clearing house
Function for the authorization
Logical destination (is entered at the call of the function)
The system derives the values from Customizing; you can overwrite them
by implementing a function in event 0969.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Define the specifications for payment authorization in Customizing.
INCLUDE FICA_NA_CUST_2 OBJECT DOKU ID TX
In the case of company-code-dependent maintenance, the company code is
determined from the prepaid account. If there is no company code entered
in the prepaid account, then the system uses the standard company code
of the contract account entered in the prepaid account.
If needed, implement a function at event 0969 and overwrite the values
derived from Customizing dependent on the prepaid account.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKPREP202 - Details

• The SAP error message FKKPREP202 typically occurs in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules. This error indicates that there is an issue with determining the merchant ID and authorization function during a payment processing or transaction-related operation.
  Causes of FKKPREP202 Error
  
  
  Missing Configuration: The merchant ID or the authorization function may not be properly configured in the system. This could be due to missing entries in the relevant customizing tables.
  
  
  Incorrect Payment Method: The payment method being used may not be correctly set up to work with the merchant ID or authorization function.
  
  
  Authorization Issues: The user or the system may not have the necessary authorizations to access the merchant ID or perform the required transaction.
  
  
  Data Inconsistencies: There may be inconsistencies in the master data related to the customer or the payment processing settings.
  
  
  System Bugs or Issues: There could be bugs in the SAP