How To Fix UGMD306 - Leaf &1 cannot be deleted nor moved manually

UGMD306 - Overview

• Message type: E = Error

• Message class: UGMD - FIN Master Data: Messages

• Message number: 306

• Message text: Leaf &1 cannot be deleted nor moved manually

What causes this issue?

You attempted to delete leaf &v1& from the hierarchy, or to move it to
or insert it at a position that is not suitable. This leaf <ZH>cannot be
manually</> modified due to one of the following uses of &v1& in the
Customizing settings.
In Customizing &v2&
In the assigned end node (a "delta leaf") of a group

System Response

The system <ZK>ignored</> the explicit change made to this leaf. Under
certain circumstances, this may only become apparent once the screen is
refreshed.

How to fix this error?

If you want to modify this leaf, modify the Customizing settings if
required. The hierarchies that use the leaf are then adjusted
<ZK>automatically.</>

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 UGMD306 - Leaf &1 cannot be deleted nor moved manually ?

  The SAP error message UGMD306 indicates that a specific leaf (or node) in a hierarchy cannot be deleted or moved manually. This typically occurs in the context of SAP Master Data Management (MDM) or SAP Business Warehouse (BW) when dealing with hierarchical data structures.
  
  Cause:
  
  
  Hierarchy Structure: The leaf node you are trying to delete or move may be part of a hierarchy that has dependencies or relationships with other nodes. If the node is a parent or has children, it cannot be deleted or moved without addressing these relationships.
  
  
  Data Integrity Constraints: There may be data integrity constraints in place that prevent the deletion or movement of the node. This could be due to business rules or settings in the system that protect certain data from being altered.
  
  
  Authorization Issues: The user may not have the necessary permissions to perform the delete or move operation on the specified node.
  
  
  Active Processes: If there are