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

UD428 - Overview

• 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.

UD428 - Details

• 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