How To Fix /SAPPCE/01066 - Final invoice is already posted; No posting of advance payment request

/SAPPCE/01066 - Overview

• Message type: E = Error

• Message class: /SAPPCE/01 -

• Message number: 066

• Message text: Final invoice is already posted; No posting of advance payment request

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPPCE/01066 - Final invoice is already posted; No posting of advance payment request ?

  The SAP error message /SAPPCE/01066 Final invoice is already posted; No posting of advance payment request typically occurs in the context of the SAP Project System (PS) or Controlling (CO) modules when there is an attempt to post an advance payment request for a project or service that has already been finalized with a final invoice.
  
  Cause:
  
  Final Invoice Posted: The primary cause of this error is that a final invoice has already been posted for the project or service. Once a final invoice is posted, it indicates that all billing and financial transactions related to that project or service are complete.
  Advance Payment Request Attempt: The system does not allow for any further advance payment requests to be processed after a final invoice has been issued, as this would conflict with the finalized financial status of the project.
  
  
  Solution:
  
  Check Invoice Status: Verify the status of the invoices related to the project or service.