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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKPREP018 - Postings to prepaid accounts not allowed to refer to collective invoice ?

  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 a way that references a collective invoice.
  
  
  Use Individual Invoices: If possible, switch from using a collective invoice to individual invoices for the transactions you are trying to post. This may involve adjusting your billing or invoicing process.
  
  
  Adjust Configuration: If your business process requires the use of collective invoices with prepaid accounts, you may need to review the configuration settings in SAP. Consult with your SAP FI-CA or Convergent Charging consultant to see if there are any settings that can be adjusted to allow for the desired behavior.
  
  
  Review Documentation: Check the SAP documentation or notes related to the FKKPREP018 error for any specific guidance or updates that may apply to your version of SAP.
  
  
  Consult SAP Support: If the issue persists and you cannot find a suitable solution, consider reaching out to SAP Support for assistance. They may provide insights based on your specific configuration and usage of the system.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this error or provide additional context. You can search the SAP Support Portal for notes related to FKKPREP018.
  Transaction Codes: Familiarize yourself with transaction codes related to prepaid accounts and collective invoicing, such as FKKINV (Invoice) and FKKOP (Open Items).
  User Exits and BAdIs: If your organization has custom logic implemented, check for any user exits or BAdIs that might be affecting the posting behavior.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution that aligns with your business processes.