How To Fix 9J279 - LIne contains item(s) that have already been posted

9J279 - Overview

• Message type: E = Error

• Message class: 9J -

• Message number: 279

• Message text: LIne contains item(s) that have already been posted

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 9J279 - LIne contains item(s) that have already been posted ?

  The SAP error message 9J279 indicates that there are line items in a document that have already been posted, which prevents further processing of that document. This error typically occurs in the context of financial transactions, such as invoice postings or journal entries, where duplicate entries are not allowed.
  
  Cause:
  
  Duplicate Posting: The most common cause of this error is that the line items you are trying to post have already been processed in a previous transaction.
  Incorrect Document Number: If you are trying to post a document with a number that has already been used, SAP will prevent the posting to avoid duplication.
  Document Status: The document may be in a status that does not allow further changes or postings.
  Batch Input Sessions: If you are using batch input sessions, there may be a conflict with previously processed sessions.
  
  
  Solution:
  
  Check Document Status: Verify the status of the document you are trying to post. If it