How To Fix FMHIE444 - Multi-level node is no longer a leaf node after subordinate nodes added

FMHIE444 - Overview

• Message type: E = Error

• Message class: FMHIE - Budget Hierarchies

• Message number: 444

• Message text: Multi-level node is no longer a leaf node after subordinate nodes added

What causes this issue?

The node &V3&&V4& (hierarchical part, with node identifier &V2&) is a
leaf node for the <DS:DE.FMHIE_HIE_ID>hierarchy ID</> &V1&.
Since the node &V3&&V4& is already used for posting and the following
<ZK>PA definition rule</> is used for the hierarchy ID &V1&: <ZH>Only
Leaf Addresses in Hierarchy are Valid Posting Addresses</>, adding
subordinate nodes leads to inconsistencies, because the hierarchy node
&V3&&V4& will no longer be a leaf node.

System Response

Subordinate nodes for the hierarchy node &V3&&V4& (hierarchical part)
may not be added to the multi-level budget structure.

How to fix this error?

Only add subordinate nodes to leaf nodes not already used for posting.

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.

FMHIE444 - Details

• The SAP error message FMHIE444 indicates that a multi-level node in a hierarchical structure (such as a cost center hierarchy or internal order hierarchy) is no longer a leaf node because subordinate nodes have been added to it. This typically occurs in the context of financial management or controlling modules where hierarchical structures are used to organize data.
  
  Cause:
  The error arises when you attempt to perform an operation (like deleting or changing a node) on a node that has subordinate nodes. A "leaf node" is a node that does not have any children (subordinate nodes). If you add subordinate nodes to a node that was previously a leaf, it can no longer be treated as a leaf node, leading to this error.
  
  Solution:
  To resolve the FMHIE444 error, you can take the following steps:
  
  
  Check the Hierarchy Structure: Review the hierarchy structure to identify the node in question and its subordinate nodes. Ensure that