How To Fix WS793 - Reference ID &1 exists in multiple documents; check input data.

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 793

• Message text: Reference ID &1 exists in multiple documents; check input data.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS793 - Reference ID &1 exists in multiple documents; check input data. ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WS793 Reference ID &1 exists in multiple documents; check input data.
  
  Cause:
  This error occurs when you try to post or process a document in SAP that contains a Reference ID (such as an external document number, invoice number, or any other unique identifier) which already exists in multiple documents in the system. SAP expects the Reference ID to be unique or at least not duplicated in a way that causes ambiguity during processing.
  Common scenarios causing this error include:
  
  Duplicate entries of the same Reference ID in multiple documents.
  Incorrect or inconsistent input data where the Reference ID is reused.
  Data migration or manual entry errors leading to multiple documents having the same Reference ID.
  Posting a document with a Reference ID that is already assigned to multiple existing documents.
  
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Identify the Reference ID causing the issue:
  
  The error message will display the Reference ID (&1) that is duplicated.
  
  
  
  Check existing documents with the same Reference ID:
  
  Use transaction codes like FB03 (Display Document) or FBL1N/FBL3N/FBL5N (line item display for vendor/customer/general ledger) to search for documents with the same Reference ID.
  You can also use table queries on tables like BKPF (Accounting Document Header) or BSEG (Accounting Document Segment) filtering by the Reference ID field (e.g., XBLNR).
  
  
  
  Analyze the documents:
  
  Verify if the documents are legitimate and why the Reference ID is duplicated.
  Check if the documents belong to different fiscal years, company codes, or document types.
  
  
  
  Correct the input data:
  
  If you are entering a new document, change the Reference ID to a unique value.
  If duplicates are due to data entry errors, correct or delete the incorrect documents if possible.
  If duplicates are legitimate but causing issues, consult with your functional team to decide on a strategy (e.g., adding additional qualifiers to the Reference ID).
  
  
  
  Check configuration (if applicable):
  
  In some cases, the system configuration might enforce uniqueness on Reference IDs. Review the settings in the relevant module (FI, MM, SD) to understand if this is a strict requirement.
  
  
  
  Reprocess the document:
  
  After correcting the Reference ID or resolving duplicates, try posting or processing the document again.
  
  
  
  
  Related Information:
  
  Reference ID field: Often corresponds to the Reference Document Number (field XBLNR in BKPF/BSEG).
  Transactions to check duplicates:
  
  FB03 - Display Accounting Document
  FBL1N - Vendor Line Items
  FBL3N - G/L Account Line Items
  FBL5N - Customer Line Items
  
  
  Tables:
  
  BKPF - Accounting Document Header (contains XBLNR)
  BSEG - Accounting Document Segment
  
  
  Notes and SAP KBAs: Search SAP Support Portal for message WS793 for any specific notes or patches.
  Related modules: FI (Financial Accounting), MM (Materials Management), SD (Sales and Distribution) depending on the document type.
  
  
  If you provide the exact transaction or process where this error occurs, I can give more tailored advice.