How To Fix CGPL_BW_INTERFACE004 - Neighbouring hierarchy node &1 must be expanded

CGPL_BW_INTERFACE004 - Overview

• Message type: E = Error

• Message class: CGPL_BW_INTERFACE - BW Interface

• Message number: 004

• Message text: Neighbouring 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_INTERFACE004 - Details

• The SAP error message CGPL_BW_INTERFACE004 indicates that a neighboring hierarchy node must be expanded in the context of a BW (Business Warehouse) query or report. This error typically arises when the system requires additional data from a hierarchy that is not currently visible or expanded in the report or query context.
  
  Cause:
  The error occurs when:
  
  A hierarchy node is collapsed, and the system needs to access data from its child nodes to fulfill the query or report requirements.
  The query is designed to display data that relies on the expanded view of a hierarchy, but the necessary nodes are not expanded.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Expand the Hierarchy Node:
  
  Navigate to the hierarchy in your report or query.
  Manually expand the neighboring hierarchy node that is indicated in the error message (represented by &1).
  Ensure that all necessary parent and child nodes are expanded to allow the query to access the required