How To Fix FMHIE302 - Non-leaf group &1 in specified group &2 must contain exactly one item

FMHIE302 - Overview

• Message type: E = Error

• Message class: FMHIE - Budget Hierarchies

• Message number: 302

• Message text: Non-leaf group &1 in specified group &2 must contain exactly one item

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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FMHIE302 - Details

• The SAP error message FMHIE302 indicates that there is an issue with the configuration of a hierarchical structure in the system, specifically related to a non-leaf group in a specified group. This error typically arises in the context of Financial Management (FM) or other modules that utilize hierarchical data structures.
  
  Cause:
  The error message FMHIE302 occurs when:
  
  A non-leaf group (a group that has child nodes) is expected to contain exactly one item (child node), but it contains either none or more than one item.
  This situation violates the hierarchical structure rules defined in the system.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Hierarchical Structure:
  
  Navigate to the relevant configuration or master data where the hierarchical structure is defined.
  Identify the non-leaf group mentioned in the error message (group &1) and the specified group (group &2).
  
  
  
  Review Child Nodes:
  
  Examine the child nodes of the non-leaf group. Ensure that it contains exactly one child item.
  If