How To Fix WB2B2273 - The external reference &1 is not unique for the item. Key &2

WB2B2273 - Overview

• Message type: E = Error

• Message class: WB2B2 - Trading Contract (part 2)

• Message number: 273

• Message text: The external reference &1 is not unique for the item. Key &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B2273 - The external reference &1 is not unique for the item. Key &2 ?

  The SAP error message WB2B2273 indicates that there is a problem with the uniqueness of an external reference for a specific item in a business document, such as a purchase order or sales order. This error typically arises in scenarios where the system expects a unique identifier for an item, but it finds multiple entries with the same external reference.
  
  Cause:
  
  Duplicate External References: The most common cause of this error is that the external reference (e.g., a vendor number, customer number, or any other identifier) is not unique for the item in question. This can happen if the same external reference is used for multiple items in the same document or across different documents.
  Data Entry Errors: Manual data entry errors can lead to the same external reference being assigned to different items inadvertently.
  Integration Issues: If the data is being imported from an external system, there may be issues with how the