How To Fix UD428 - The root node & no longer exists.

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 428

• Message text: The root node & no longer exists.

What causes this issue?

You have deleted the root node.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose the Refresh function or leave the hierarchy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD428 - The root node & no longer exists. ?

  The SAP error message UD428 ("The root node & no longer exists") typically occurs in the context of SAP's Universal Data Management (UDM) or when dealing with hierarchical data structures, such as those found in master data management or organizational structures.
  Cause:
  The error message UD428 indicates that the system is trying to access a root node in a hierarchy that has been deleted or is no longer available. This can happen due to various reasons, such as:
  
  Data Deletion: The root node or its parent node has been deleted from the database.
  Data Inconsistency: There may be inconsistencies in the data, such as orphaned nodes that reference a non-existent parent.
  Transport Issues: If data was transported from one system to another, the hierarchy might not have been fully replicated.
  Configuration Changes: Changes in configuration or settings that affect the hierarchy structure.
  
  Solution:
  To resolve the UD428 error, you can take the following steps:
  
  
  Check the Hierarchy: Verify the hierarchy structure in the relevant transaction or application. Ensure that the root node and its parent nodes exist and are correctly configured.
  
  
  Data Consistency Check: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the relevant tables for inconsistencies. Look for any orphaned nodes or missing parent-child relationships.
  
  
  Recreate the Node: If the root node has been deleted, you may need to recreate it. This can often be done through the relevant master data transaction.
  
  
  Transport Validation: If the issue arose after a transport, ensure that all necessary objects and data were included in the transport request. You may need to re-transport the missing data.
  
  
  Consult Documentation: Review SAP notes and documentation related to the specific module or functionality you are working with. There may be specific guidelines or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with detailed information about the error and the context in which it occurs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, SU01, and others that may help in managing and viewing hierarchical data.
  SAP Notes: Search for SAP Notes related to error UD428 in the SAP Support Portal. There may be specific fixes or recommendations available.
  Data Management Best Practices: Ensure that you follow best practices for data management and hierarchy maintenance to prevent similar issues in the future.
  
  By following these steps, you should be able to diagnose and resolve the UD428 error effectively.