How To Fix DMU139 - Alternative &1 of node &2 is still used in structures

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 139

• Message text: Alternative &1 of node &2 is still used in structures

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 DMU139 - Alternative &1 of node &2 is still used in structures ?

  The SAP error message DMU139 indicates that an alternative (or alternative node) of a specific node is still being used in structures, which prevents certain operations from being completed. This typically occurs in the context of data modeling or when working with the Data Modeler in SAP, particularly in the context of managing data structures or hierarchies.
  Cause:
  
  Active Usage: The alternative node you are trying to delete or modify is still actively referenced in one or more structures or hierarchies.
  Dependencies: There may be dependencies or links to other data objects that rely on this alternative node.
  Data Model Changes: If you are trying to change the structure of a data model, the system prevents changes that would lead to inconsistencies.
  
  Solution:
  
  Identify Usage: Use transaction codes or tools within SAP to identify where the alternative node is being used. This may involve checking the structures, hierarchies, or any related data models.
  Remove References: Once you have identified the structures that are using the alternative node, you will need to remove or update those references. This may involve:
  
  Editing the structures to remove the alternative node.
  Replacing the alternative node with another node if necessary.
  
  
  Check Dependencies: Ensure that there are no other dependencies that might be affected by the removal of the alternative node.
  Re-attempt the Operation: After ensuring that the alternative node is no longer in use, you can re-attempt the operation that triggered the error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), or others that may help you navigate the data structures.
  Documentation: Review SAP documentation or help resources related to data modeling and structure management for more detailed guidance.
  Testing: Always test changes in a development or test environment before applying them to production to avoid unintended consequences.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting SAP community forums for additional assistance.