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

SAP Error Message - Details

• 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 status of the document you are trying to post. If it has already been posted, you will need to create a new document for any further transactions.
  Review Transaction History: Look at the transaction history to confirm whether the line items have already been processed. You can use transaction codes like FMAVCR01 or FMAVCR02 to check the status of budgetary transactions.
  Consult with Colleagues: If you are unsure whether the transaction has been posted, consult with your team or colleagues who may have access to the same data.
  Use Correct Transaction Codes: Ensure you are using the correct transaction codes for posting and that you are not trying to post in a closed period or fiscal year.
  Error Logs: Check the error logs for more detailed information about the posting attempt. This can provide insights into what went wrong.
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting the SAP community for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP FM, such as:
  
  FMAVCR01: Display budget consumption
  FMAVCR02: Display budget availability
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on Financial Management and Funds Management for best practices on posting transactions.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.