How To Fix REEXFI031 - Document with sender key &1 &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: REEXFI - Messages for Interface to FI

• Message number: 031

• Message text: Document with sender key &1 &2 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message REEXFI031 - Document with sender key &1 &2 already exists ?

  The SAP error message REEXFI031 indicates that there is an attempt to create or post a document that already exists in the system with the same sender key. This typically occurs in the context of financial documents, such as invoices or journal entries, where the system checks for duplicate entries based on specific criteria.
  Cause:
  The error is triggered when:
  
  A document with the same sender key (which usually includes the company code, document type, and document number) already exists in the system.
  There may be a duplicate posting attempt due to user error, such as reprocessing a document that has already been posted.
  There could be issues with the data being sent from an external system or interface that is trying to create a document that already exists.
  
  Solution:
  To resolve the REEXFI031 error, you can take the following steps:
  
  
  Check for Existing Documents:
  
  Use transaction codes like FB03 (Display Document) or FBL1N (Vendor Line Item Display) to search for the document using the sender key parameters (company code, document type, and document number).
  If the document exists, verify if it has been posted correctly.
  
  
  
  Identify Duplicates:
  
  If you find that the document is indeed a duplicate, you may need to decide whether to delete or reverse the duplicate entry, depending on your business processes.
  
  
  
  Review Data Input:
  
  If the error is occurring during data uploads or interface processing, review the data being sent to ensure that it does not contain duplicates.
  Check the logic in any custom programs or interfaces that might be creating documents to ensure they are not inadvertently trying to create duplicates.
  
  
  
  Consult with Your Team:
  
  If you are unsure about the document's status or how to proceed, consult with your finance or accounting team to understand the implications of deleting or reversing documents.
  
  
  
  Error Handling in Interfaces:
  
  If this error arises from an interface, ensure that proper error handling is implemented to prevent duplicate postings.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB03, FB02 (Change Document), and FB01 (Post Document) for managing financial documents.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for specific notes that might address this issue.
  Documentation: Review SAP documentation related to financial postings and document management for best practices in avoiding duplicate entries.
  
  By following these steps, you should be able to identify the cause of the REEXFI031 error and take appropriate action to resolve it.