How To Fix REXCSCFC004 - FI document exists twice

SAP Error Message - Details

• Message type: E = Error

• Message class: REXCSCFC - Messages for Collection REXCSCFC

• Message number: 004

• Message text: FI document exists twice

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 REXCSCFC004 - FI document exists twice ?

  The SAP error message REXCSCFC004, which states "FI document exists twice," typically occurs in the context of financial accounting (FI) when there is an attempt to post a document that already exists in the system. This can happen during various processes, such as posting invoices, payments, or other financial transactions.
  
  Cause:
  
  Duplicate Document Entry: The most common cause is that the same financial document has been entered more than once, either manually or through an automated process.
  Incorrect Document Number Range: If the document number range is not set up correctly, it may allow for duplicate entries.
  Data Migration Issues: During data migration or system upgrades, duplicate records may be created if the data is not cleaned or validated properly.
  Parallel Processing: If multiple users or processes are trying to post the same document simultaneously, it can lead to duplicates.
  
  
  Solution:
  
  Identify Duplicate Documents: Use transaction codes like FB03 (Display Document) or FB02 (Change Document) to check