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How To Fix WS590 - No unique document can be determined for invoice no. &1 and doc. date &2


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WS - Supplier Billing Document

  • Message number: 590

  • Message text: No unique document can be determined for invoice no. &1 and doc. date &2

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  • 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.



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Smart SAP Assistant

  • What is the cause and solution for SAP error message WS590 - No unique document can be determined for invoice no. &1 and doc. date &2 ?

    Certainly! Here's a detailed explanation for the SAP error message WS590:


    SAP Error Message WS590

    Message Text:
    No unique document can be determined for invoice no. &1 and doc. date &2


    Cause

    This error occurs during invoice verification or posting when SAP tries to find a unique accounting document based on the invoice number and document date but finds more than one document matching these criteria. In other words, the system expects a single unique document for the given invoice number and date, but multiple documents exist, causing ambiguity.

    Common reasons include:

    • Duplicate invoice numbers entered for different documents.
    • Multiple postings with the same invoice number and date.
    • Invoices posted in different company codes or fiscal years but with overlapping invoice numbers.
    • Incorrect or inconsistent data entry in the invoice reference fields.
    • Customizing or configuration issues that do not enforce uniqueness of invoice numbers.

    Solution

    To resolve the WS590 error, consider the following steps:

    1. Check for Duplicate Invoices:

      • Use transaction FB03 or MRBR to search for documents with the same invoice number and date.
      • Identify if multiple documents exist with the same invoice number and date.
    2. Analyze the Documents:

      • Verify if the duplicates are legitimate (e.g., different company codes or vendors) or erroneous.
      • Check if the invoice number was reused incorrectly.
    3. Correct Data Entry:

      • Ensure that the invoice number and date are entered correctly and consistently.
      • If the invoice number is not unique, consider adding additional reference fields (e.g., vendor number, purchase order number) to uniquely identify the invoice.
    4. Use Additional Selection Criteria:

      • When posting or verifying invoices, use additional fields like vendor number, purchase order number, or fiscal year to narrow down the search.
    5. Adjust Configuration (if applicable):

      • Review the settings in Invoice Verification and Document Numbering to enforce uniqueness.
      • Consider implementing checks or validations to prevent duplicate invoice entries.
    6. Clear or Block Duplicate Documents:

      • If duplicates are erroneous, reverse or block the incorrect documents.
      • Coordinate with finance and controlling teams before reversing documents.
    7. SAP Notes and Support:

      • Check SAP Notes for any known issues related to WS590.
      • If the problem persists, consider raising a support ticket with SAP.

    Related Information

    • Transaction Codes:

      • MIRO – Enter Incoming Invoice
      • FB03 – Display Document
      • MRBR – Release Blocked Invoices
      • MR8M – Cancel Invoice Document
    • Tables to Check:

      • BKPF – Accounting Document Header
      • BSEG – Accounting Document Segment
      • RBKP – Invoice Document Header (Logistics Invoice Verification)
    • SAP Notes:

      • Search for notes related to WS590 or invoice verification issues on the SAP Support Portal.
    • Best Practices:

      • Maintain unique invoice numbers per vendor.
      • Use purchase order references to avoid ambiguity.
      • Regularly monitor and clean up duplicate or blocked invoices.

    If you provide more context (e.g., transaction used, vendor, company code), I can help with more specific troubleshooting steps.

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