How To Fix WER028 - Item structure &1 already exist

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 028

• Message text: Item structure &1 already exist

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 WER028 - Item structure &1 already exist ?

  SAP Error Message:
  
  WER028 - Item structure &1 already exist
  
  Cause:
  This error occurs when you try to create or define an item structure in SAP that already exists in the system. The item structure name (represented by &1 in the message) is unique, and SAP does not allow duplicate item structure names.
  Typically, this happens in scenarios such as:
  
  Defining item structures in Sales and Distribution (SD) or Materials Management (MM) modules.
  Creating or copying item structures in configuration or master data.
  Attempting to create an item structure with a name that is already assigned to another item structure.
  
  
  Solution:
  
  
  Check Existing Item Structures:
  
  Use transaction codes like VOV7 (for SD item categories) or relevant customizing transactions to list existing item structures.
  Verify if the item structure name you want to create already exists.
  
  
  
  Use a Different Name:
  
  If the item structure already exists, choose a different, unique name for the new item structure.
  
  
  
  Modify Existing Item Structure:
  
  If your intention was to change or extend an existing item structure, modify the existing one instead of creating a new one.
  
  
  
  Check for Transport or Client Copies:
  
  Sometimes, the item structure might have been transported or copied from another client, causing the name to exist unexpectedly.
  Verify transport logs or client copy history.
  
  
  
  Consult Documentation or SAP Notes:
  
  Check SAP Notes or documentation for any known issues or restrictions related to item structures in your SAP version.
  
  
  
  
  Related Information:
  
  
  Item Structure:
  
  In SAP SD, an item structure defines the relationship between header and item data in sales documents. It controls how items are processed and how data flows between header and item levels.
  
  
  Transaction Codes:
  
  VOV7 – Define Item Categories (where item structures are assigned)
  SPRO – SAP Reference IMG (navigate to Sales and Distribution ? Sales ? Sales Documents ? Define Item Categories)
  
  
  
  SAP Notes:
  
  Search SAP Support Portal for notes related to message WER028 or item structure conflicts.
  
  
  Best Practice:
  
  Always check existing configurations before creating new entries to avoid duplicates and conflicts.
  
  
  
  If you provide the exact context (module, transaction, or process) where this error occurs, I can give more tailored advice.