How To Fix MSG_UH174 - Line &1: Special tag &2 already assigned at line &3.

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_UH - Universal Hierarchy Message Class

• Message number: 174

• Message text: Line &1: Special tag &2 already assigned at line &3.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_UH174 - Line &1: Special tag &2 already assigned at line &3. ?

  The SAP error message MSG_UH174 indicates that there is an issue with the assignment of special tags in a document or transaction. Specifically, the message states that a special tag (identified by &2) has already been assigned to another line (identified by &3), and you are attempting to assign it again to a different line (identified by &1).
  Cause:
  This error typically occurs in scenarios where:
  
  You are working with a document that allows the assignment of special tags (such as a purchase order, sales order, or inventory document).
  The special tag you are trying to assign is already in use on another line of the same document, which violates the business rules or constraints set in the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Review the document or transaction to see where the special tag &2 is already assigned. Look at line &3 to understand its current usage.
  
  
  
  Modify the Assignment:
  
  If the special tag is indeed already assigned to another line, you will need to either:
  
  Remove the special tag from the line where it is currently assigned (line &3), if that is appropriate for your business process.
  Choose a different special tag for the line &1 that you are trying to assign it to.
  
  
  
  
  
  Consult Documentation:
  
  Refer to your organization's documentation or SAP help resources to understand the rules regarding special tag assignments. There may be specific business logic that dictates how and when tags can be assigned.
  
  
  
  Contact Support:
  
  If you are unsure about how to proceed or if the issue persists after checking the assignments, consider reaching out to your SAP support team or a functional consultant who can provide further assistance.
  
  
  
  Related Information:
  
  Special Tags: These are often used in SAP to categorize or identify specific items or transactions for reporting, tracking, or processing purposes.
  Document Types: The rules for special tag assignments can vary based on the type of document you are working with (e.g., purchase orders, sales orders, etc.).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context on handling special tags.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.