How To Fix MDG_MDF305 - Hierarchy &1 has more than one root node

MDG_MDF305 - Overview

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 305

• Message text: Hierarchy &1 has more than one root node

What causes this issue?

You defined hierarchy &V1& with multiple root nodes. However, this
hierarchy only allows one root node per hierarchy.

System Response

Action terminated

How to fix this error?

Correct the hierarchy definition.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_MDF305 - Hierarchy &1 has more than one root node ?

  The SAP error message MDG_MDF305, which states "Hierarchy &1 has more than one root node," typically occurs in the context of Master Data Governance (MDG) when dealing with hierarchical data structures. This error indicates that the hierarchy you are trying to create or modify has multiple root nodes, which is not allowed in a proper hierarchical structure.
  
  Cause:
  
  Multiple Root Nodes: The hierarchy you are trying to create or modify has more than one node that does not have a parent, meaning there are multiple starting points in the hierarchy.
  Data Integrity Issues: There may be issues with the data integrity where nodes are incorrectly defined, leading to multiple entries being treated as root nodes.
  Incorrect Hierarchical Structure: The structure of the hierarchy may not be correctly defined, leading to confusion in the parent-child relationships.
  
  
  Solution:
  
  Review Hierarchy Structure: Check the hierarchy structure you are trying to create or modify. Ensure that there is only one