How To Fix FMITPOMC031 - Posting not possible; line items have already been transferred

FMITPOMC031 - Overview

• Message type: E = Error

• Message class: FMITPOMC - Tranfer Transaction for Subledger Account

• Message number: 031

• Message text: Posting not possible; line items have already been transferred

What causes this issue?

You have selected a line item that has already been transferred and is
therefore cleared. The line item cannot be processed with the payment
transfer again.

How to fix this error?

Examine the clearing document &V1& and check if it has to be reversed.
You can undo the clearing using FI transaction <ZH>FBRA </> with or
without reversing the clearing document.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FMITPOMC031 - Posting not possible; line items have already been transferred ?

  The SAP error message FMITPOMC031, which states "Posting not possible; line items have already been transferred," typically occurs in the context of Financial Management (FM) and indicates that there is an attempt to post a transaction that has already been processed or transferred to another system or module. This can happen in various scenarios, such as when dealing with budgetary control, funds management, or when integrating with other financial systems.
  Causes:
  
  Duplicate Posting Attempt: The most common cause is that the line items you are trying to post have already been processed in the system.
  Incorrect Document Status: The document may have been marked as completed or posted, preventing further modifications or postings.
  Integration Issues: If there are integrations with other systems (like a third-party application), the data might have already been transferred, leading to this error.
  User Error: Sometimes, users may inadvertently try to post the same transaction multiple times.
  
  Solutions:
  
  Check Document Status: Verify the