How To Fix BRAIN401 - Characteristic &1 must be contained in the navigation.

BRAIN401 - Overview

• Message type: E = Error

• Message class: BRAIN -

• Message number: 401

• Message text: Characteristic &1 must be contained in the navigation.

What causes this issue?

Characteristic &V1& is not used or not used correctly in the Query
Designer.

System Response

The query cannot be executed.

How to fix this error?

In the maintenance of the InfoObjects, characteristic &V1& (technical
name = &V2&) is set so that it must appears in the navigation area and
that it cannot be aggregated somewhere else (CHASEL = &V3&, CHANAV =
&V4&).
Characteristic &V1& is not in the navigation area in the query in use
here.
Either check the query or check the settings for characteristic &V1&.

Error message extract from SAP system. Copyright SAP SE.

BRAIN401 - Details

• The SAP error message BRAIN401 indicates that a specific characteristic (denoted as &1) must be included in the navigation of a query or report. This error typically arises in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when working with queries in BEx (Business Explorer) Analyzer or similar tools.
  
  Cause:
  The error occurs when:
  
  A query is designed to use a characteristic that is not included in the navigation area of the query definition.
  The characteristic is required for the execution of the query but has not been added to the navigation pane, which is necessary for filtering or drilling down data.
  
  
  Solution:
  To resolve the BRAIN401 error, follow these steps:
  
  
  Open the Query Designer:
  
  Access the Query Designer tool in SAP BW.
  
  
  
  Locate the Query:
  
  Find and open the query that is generating the error.
  
  
  
  Check the Navigation Area:
  
  In the query definition, look for the "Rows" and "Columns" sections where you can add characteristics.
  Ensure that the