How To Fix FQ671 - Document '&1' was already posted and must be reversed

SAP Error Message - Details

• Message type: E = Error

• Message class: FQ - Payment Requests and Payment Program

• Message number: 671

• Message text: Document '&1' was already posted and must be reversed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FQ671 - Document '&1' was already posted and must be reversed ?

  The SAP error message FQ671 indicates that a document has already been posted in the system, and therefore, it cannot be posted again without being reversed first. This error typically occurs in the context of financial transactions, particularly in accounts receivable or accounts payable.
  Cause:
  
  Duplicate Posting: The most common cause of this error is an attempt to post a document that has already been recorded in the system. This can happen if a user tries to post the same invoice or payment multiple times.
  Incorrect Document Number: If the document number being used for posting is incorrect or has already been used, the system will prevent the posting.
  Reversal Not Completed: If a reversal of a document was initiated but not completed, the system may still recognize the original document as posted.
  
  Solution:
  
  Check Document Status: Verify the status of the document in question. You can do this by using transaction codes like FB03 (Display Document) to see if the document has already been posted.
  Reverse the Document: If you need to make changes to the document, you will first need to reverse it. Use transaction code FB08 (Reverse Document) to reverse the original posting.
  Use Correct Document Number: Ensure that you are using the correct document number for your posting. If you are trying to post a new document, make sure it has a unique number that hasn’t been used before.
  Consult with Finance Team: If you are unsure about the status of the document or how to proceed, consult with your finance or accounting team for guidance.
  
  Related Information:
  
  Transaction Codes:
  
  FB03: Display Document
  FB08: Reverse Document
  FBL1N: Vendor Line Item Display
  FBL5N: Customer Line Item Display
  
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message.
  Documentation: Review SAP documentation for accounts receivable and accounts payable processes to understand how document postings and reversals work.
  
  By following these steps, you should be able to resolve the FQ671 error and proceed with your financial transactions in SAP.