How To Fix 1X079 - The first node in a structure cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: 1X - General hierarchy maintenance tool message

• Message number: 079

• Message text: The first node in a structure cannot be deleted

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 1X079 - The first node in a structure cannot be deleted ?

  The SAP error message 1X079 ("The first node in a structure cannot be deleted") typically occurs when you attempt to delete the first node of a hierarchical structure in SAP, such as a hierarchy in a report or a data structure that is not allowed to have its first node removed.
  Cause:
  The primary cause of this error is that the first node in a hierarchical structure is often considered the root or main node. Deleting this node would disrupt the integrity of the structure, as it serves as the parent for all other nodes. In many systems, the first node is essential for maintaining the hierarchy and ensuring that the data remains organized and accessible.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Check Hierarchy Structure: Ensure that you are not trying to delete the first node. If you need to remove a node, select a different node that is not the root.
  
  
  Modify Instead of Delete: If your intention is to change the properties of the first node, consider modifying it instead of deleting it. This could involve changing its attributes or values.
  
  
  Reorganize the Structure: If you need to remove the first node for a valid reason, you may need to reorganize the structure first. This could involve promoting another node to be the new root or restructuring the hierarchy.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources specific to the module you are working with. There may be specific guidelines or procedures for handling hierarchical structures.
  
  
  Seek Help from SAP Support: If you are unsure how to proceed or if the issue persists, consider reaching out to SAP support or your internal SAP team for assistance.
  
  
  Related Information:
  
  SAP Modules: This error can occur in various SAP modules that utilize hierarchical data structures, such as SAP BW (Business Warehouse), SAP CRM (Customer Relationship Management), or SAP ERP (Enterprise Resource Planning).
  User Permissions: Ensure that you have the necessary permissions to modify the structure. Sometimes, restrictions may be in place that prevent certain actions.
  Data Integrity: Always consider the implications of modifying or deleting nodes in a hierarchy, as it can affect reports, data integrity, and relationships within the data.
  
  By following these steps, you should be able to address the error and manage the hierarchical structure effectively.