How To Fix FKKINV485 - Reversal of invoiced documents from billing process &1 not allowed

FKKINV485 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 485

• Message text: Reversal of invoiced documents from billing process &1 not allowed

What causes this issue?

You system settings do not allow the reversal of billing documents with
billing process &V1&.

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?

To be able to reverse invoiced billing documents from billing process
&V1&, you have to allow the reversal of this billing process in your
settings for the reversal of billing documents.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKINV485 - Details

• The SAP error message FKKINV485 indicates that a reversal of invoiced documents from the billing process is not allowed for a specific document. This error typically arises in the context of the SAP Contract Accounts Receivable and Payable (FI-CA) module when attempting to reverse an invoice that has certain restrictions or conditions preventing the reversal.
  Causes:
  
  Document Status: The invoice may be in a status that does not allow for reversal. For example, if the invoice has already been cleared or paid, it may not be eligible for reversal.
  Billing Type Restrictions: Certain billing types may have specific rules that prevent reversal. For instance, some billing types may be configured to disallow reversals.
  Custom Logic: There may be custom logic or enhancements in place that restrict the reversal of certain documents based on business rules.
  Document Age: The document may be too old, and the system may have been configured to prevent reversals after a