How To Fix WS243 - Several identical items &2 exist for one document header &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 243

• Message text: Several identical items &2 exist for one document header &1

What causes this issue?

The system checked whether the item data is unique. It found several
items with the same ID &V2& for document header &V1&.

System Response

You cannot execute the function.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS243 - Several identical items &2 exist for one document header &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS243 - Several identical items &2 exist for one document header &1
  
  Cause:
  This error occurs when you try to post or process a document in SAP, and the system detects that there are multiple line items within the same document that are identical in key fields that should be unique or distinct. Typically, this happens in financial accounting (FI) or materials management (MM) documents where line items are expected to be unique based on certain criteria (e.g., account number, cost center, amount, tax code, etc.).
  The system uses these key fields to identify and differentiate line items. If two or more line items are exactly the same in these key fields, SAP raises this error to prevent ambiguity or incorrect processing.
  
  Common Scenarios:
  
  Duplicate line items entered manually or via interface.
  Incorrect data mapping in interfaces or batch jobs.
  Posting documents with identical line items that should have been split or differentiated.
  Issues in document splitting or clearing processes.
  
  
  Solution:
  
  
  Check the Document Line Items:
  
  Review the document header &1 and examine the line items &2 that are flagged as identical.
  Identify which fields are causing the duplication (e.g., same account, amount, cost center, tax code).
  
  
  
  Correct the Line Items:
  
  Modify one or more of the duplicate line items to make them unique.
  For example, adjust amounts, assign different cost centers, or add distinguishing information.
  
  
  
  Use SAP Tools:
  
  Use transaction codes like FB03 (Display Document) or FB02 (Change Document) to inspect and correct the document.
  If the document is not yet posted, correct the source data or input file.
  
  
  
  Check Interfaces or Upload Programs:
  
  If the document is created via an interface or batch upload, verify the data mapping and ensure no duplicate line items are sent.
  Implement validation checks in the interface to prevent duplicates.
  
  
  
  Consult SAP Notes:
  
  Sometimes, this error can be related to specific SAP versions or patches. Check SAP Support Portal for any relevant SAP Notes.
  
  
  
  
  Related Information:
  
  Message Class: WS (usually related to FI or MM document processing)
  Transaction Codes: FB01, FB50, MIRO, MIGO (depending on the module)
  SAP Notes: Search for WS243 in SAP OSS Notes for any known issues or patches.
  Document Splitting: In new asset accounting or document splitting scenarios, identical line items might cause issues.
  Duplicate Line Item Prevention: SAP standard checks to avoid posting duplicate line items to maintain data integrity.
  
  
  Summary:
  The WS243 error indicates that the system found multiple identical line items in a single document header, which is not allowed. To resolve it, identify and differentiate the duplicate line items before posting or processing the document.
  
  If you provide the exact transaction or module context, I can help with more specific steps!