How To Fix FE021 - Line item & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FE - CO-PA module pool messages

• Message number: 021

• Message text: Line item & already exists

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 FE021 - Line item & already exists ?

  The SAP error message FE021 ("Line item & already exists") typically occurs in the context of financial transactions, particularly when trying to post a document that contains a line item that has already been entered in the system. This can happen in various modules, such as Accounts Payable (AP), Accounts Receivable (AR), or General Ledger (GL).
  Cause:
  
  
  Duplicate Entry: The most common cause of this error is that the line item you are trying to post already exists in the system. This could be due to:
  
  Manual entry of the same line item.
  A previous posting that was not properly cleared or reversed.
  An automated process or batch job that has already posted the same line item.
  
  
  
  Document Numbering Issues: If the document number is not unique or if there are issues with the document number range, it may lead to this error.
  
  
  Configuration Issues: Sometimes, the configuration settings in the financial module may not allow for duplicate entries, leading to this error.
  
  
  Solution:
  
  
  Check for Duplicates: 
  
  Review the line items in the relevant document to see if the line item already exists. You can do this by checking the document in the relevant transaction (e.g., FB03 for displaying documents).
  If you find a duplicate, you may need to adjust your entry or delete the duplicate line item.
  
  
  
  Document Number Verification: 
  
  Ensure that the document number you are using is unique and not already assigned to another document. You can check the document number range settings in the configuration.
  
  
  
  Clear/Reversal of Previous Entries: 
  
  If the line item was previously posted, you may need to reverse or clear that entry before attempting to post the new one.
  
  
  
  Consult with SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03 (Display Document), FB08 (Reverse Document), and FBL1N (Vendor Line Item Display) to investigate the issue further.
  SAP Notes: Check SAP Notes for any specific guidance or updates related to error FE021.
  User Authorization: Ensure that you have the necessary authorizations to post documents in the relevant financial module.
  
  By following these steps, you should be able to identify the cause of the FE021 error and take appropriate action to resolve it.