How To Fix KE814 - Line item was already posted in the target system

KE814 - Overview

• Message type: E = Error

• Message class: KE -

• Message number: 814

• Message text: Line item was already posted in the target system

What causes this issue?

The line item with the document number &V1& and the segment number &V2&
has already been posted in the target system. Most likely the line item
was sent more than once during the initial supply.

How to fix this error?

Only transfer line items once using the function "Initial supply".

Error message extract from SAP system. Copyright SAP SE.

KE814 - Details

• The SAP error message KE814 ("Line item was already posted in the target system") typically occurs in the context of transferring data between systems, particularly when dealing with CO (Controlling) documents. This error indicates that the system is trying to post a line item that has already been posted in the target system, which can happen during data transfers, such as during a distribution or assessment process.
  Causes:
  
  Duplicate Posting: The line item you are trying to post has already been processed in the target system, leading to a conflict.
  Incorrect Document Number: The document number being used for posting may already exist in the target system.
  Timing Issues: If multiple processes are trying to post the same line item simultaneously, it can lead to this error.
  Data Transfer Issues: Problems during data transfer, such as network issues or system downtime, can cause inconsistencies.
  
  Solutions:
  
  Check for Duplicates: Verify if the line item has already been posted