How To Fix M8321 - Document contains same order item more than once


M8321 - Overview

  • Message type: E = Error

  • Message class: M8 - Invoice Verification/Valuation

  • Message number: 321

  • Message text: Document contains same order item more than once

  • Show details Hide details
  • What causes this issue?

    If the following conditions are fulfilled, you can settle an order item
    in an invoice received via EDI/SOA more than once:
    Goods-receipt-based invoice verification has been defined for the order
    item.
    The delivery note numbers of the goods receipts are contained in the
    IDoc or in the SOA message.

    You are using differential invoicing and one previous invoice already
    exists (as of second invoice). In other words, for each goods receipt
    item or purchase order item, the system displays both the current item
    (invoice item) and the item from the previous invoice document (credit
    memo item) in accordance with the
    <DS:GLOS.4F64D5AEFB615077E10000000A421945>two-line concept</>.

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    System Response

    If these conditions are not fulfilled, the system cancels posting of the
    IDoc or the SOA message.

    How to fix this error?

    Check the IDoc or SOA message. You may be able to edit the IDoc or SOA
    message (for example, if the supplier transmitted the wrong order item
    by mistake). Otherwise, you must inform the supplier and ask for the
    invoice with the corrected data to be transmitted once again.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message M8321 - Document contains same order item more than once ?
    The SAP error message M8321, which states "Document contains same order item more than once," typically occurs during the processing of a purchase order, sales order, or similar document where the system detects that the same item has been entered multiple times with the same item number and order details.
    
    Cause: Duplicate Entries: The most common cause is that the same item has been added to the order more than once, either by mistake or due to a system error. Copying Documents: If a document is copied from another document (like a previous order), it may inadvertently include duplicate items. Data Entry Errors: Manual data entry errors can lead to the same item being entered multiple times.
    Configuration Issues: In some cases, the system configuration may allow for duplicate entries, but certain checks may still trigger this error.
    Solution: Check for Duplicates: Review the order to identify if the same item has been entered more than once.

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