How To Fix CGPL_BW_INTERFACE002 - Higher-level hierarchy node &1 must be expanded

CGPL_BW_INTERFACE002 - Overview

• Message type: E = Error

• Message class: CGPL_BW_INTERFACE - BW Interface

• Message number: 002

• Message text: Higher-level hierarchy node &1 must be expanded

What causes this issue?

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

System Response

How to fix this error?

Open the superior project and save it again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CGPL_BW_INTERFACE002 - Details

• The SAP error message CGPL_BW_INTERFACE002 indicates that a higher-level hierarchy node must be expanded in the context of a BW (Business Warehouse) interface. This error typically arises when you are trying to process data in a hierarchy structure, and the system requires that certain nodes in the hierarchy be expanded to access the necessary data.
  
  Cause:
  The error occurs when:
  
  You are attempting to execute a query or data extraction that involves a hierarchy, but the higher-level node (parent node) is not expanded.
  The system needs to access the child nodes of a parent node, but it cannot do so because the parent node is collapsed or not fully expanded in the hierarchy.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Expand the Hierarchy Node:
  
  Navigate to the hierarchy structure in your BW query or report.
  Locate the higher-level node indicated in the error message (denoted as &1).
  Expand this node to ensure that all child nodes