How To Fix FKKINV436 - Reversal task &1 already exists

FKKINV436 - Overview

• Message type: E = Error

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

• Message number: 436

• Message text: Reversal task &1 already exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

FKKINV436 - Details

• The SAP error message FKKINV436 indicates that there is an attempt to create a reversal task for an invoice that already has an existing reversal task. This typically occurs in the context of the SAP Contract Accounts Receivable and Payable (FI-CA) module, where invoice processing and reversal tasks are managed.
  
  Cause:
  The error arises when:
  
  A reversal task for a specific invoice has already been created and is still active or not yet completed.
  The system prevents the creation of multiple reversal tasks for the same invoice to maintain data integrity and avoid confusion in financial reporting.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Reversal Tasks:
  
  Use transaction codes like FPL9 (Display Reversal Tasks) or FPL1 (Create Reversal Task) to check if there is an existing reversal task for the invoice in question.
  Identify the existing reversal task and its status.
  
  
  
  Complete or Delete Existing Task:
  
  If the existing reversal task is still pending or