How To Fix UCUM002 - First select a hierarchy node

UCUM002 - Overview

• Message type: E = Error

• Message class: UCUM - Messages for Monitor

• Message number: 002

• Message text: First select a hierarchy node

What causes this issue?

The cursor is not positioned on a hierarchy node. The cursor must be
positioned appropriately to set the focus and to expand or compress
nodes.

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?

Position the cursor on the relevant node of the hierarchy, which is
displayed in the first column, and then call up the function again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCUM002 - Details

• The SAP error message UCUM002, which states "First select a hierarchy node," typically occurs in the context of SAP applications that involve hierarchical data structures, such as SAP BW (Business Warehouse) or SAP Analytics Cloud. This error indicates that the user is attempting to perform an action that requires a specific hierarchy node to be selected first, but no node has been selected.
  
  Cause:
  
  No Hierarchy Node Selected: The user is trying to execute a function (like displaying details, editing, or analyzing data) without selecting a specific node from a hierarchy.
  Incorrect Navigation: The user may have navigated to a screen or function that requires a hierarchy node but did not select one.
  User Interface Issue: Sometimes, the user interface may not clearly indicate that a selection is required, leading to confusion.
  
  
  Solution:
  
  Select a Hierarchy Node: Before performing the action that triggered the error, ensure that you have selected a valid node from the hierarchy.