How To Fix FKKPREP018 - Postings to prepaid accounts not allowed to refer to collective invoice

FKKPREP018 - Overview

• Message type: E = Error

• Message class: FKKPREP - Prepaid Functions

• Message number: 018

• Message text: Postings to prepaid accounts not allowed to refer to collective invoice

What causes this issue?

Document item &V1& is to be posted to contract account &V2&, which is
assigned to collective bill account &V3&. However, collective bill
accounts are not allowed with postings to prepaid accounts. In this
case, prepaid account &V4& was entered.

System Response

Error message, posting is not possible.

How to fix this error?

Remove the assignment of contract account &V2& to collective bill
account &V3&.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

FKKPREP018 - Details

• The SAP error message FKKPREP018 indicates that postings to prepaid accounts are not allowed to refer to a collective invoice. This error typically arises in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) modules, where prepaid accounts are used to manage customer prepayments.
  
  Cause:
  The error occurs when there is an attempt to post a transaction to a prepaid account that references a collective invoice. Collective invoices are used to consolidate multiple transactions into a single invoice, and the system does not allow direct postings to prepaid accounts in this context. This restriction is in place to maintain the integrity of the accounting entries and ensure that the prepaid amounts are correctly managed.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check the Posting Logic: Review the transaction that is causing the error. Ensure that you are not trying to post directly to a prepaid account in