How To Fix BRAIN345 - No hierarchies in characteristic &1;exception aggregation &2 not possible

BRAIN345 - Overview

• Message type: E = Error

• Message class: BRAIN -

• Message number: 345

• Message text: No hierarchies in characteristic &1;exception aggregation &2 not possible

What causes this issue?

Exception aggregation &V2& only works along a hierarchy.No hierarchies
can be created for reference characteristic&V1& , however.

System Response

The exception aggregation on form element &V3& will be ignored.

How to fix this error?

Check the query definition.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN345 - No hierarchies in characteristic &1;exception aggregation &2 not possible ?

  The SAP error message BRAIN345 indicates that there are no hierarchies defined for a specific characteristic in the context of exception aggregation. This error typically arises in SAP BW (Business Warehouse) or SAP BI (Business Intelligence) environments when trying to perform operations that require hierarchical data structures.
  
  Cause:
  
  Missing Hierarchies: The characteristic specified in the error message does not have any hierarchies defined. Hierarchies are essential for certain types of aggregations and analyses.
  Incorrect Configuration: The characteristic may not be properly configured in the InfoObject settings, leading to the absence of hierarchies.
  Data Model Issues: There may be issues with the data model or the way the data is structured, preventing the use of hierarchies.
  
  
  Solution:
  
  
  Define Hierarchies:
  
  Go to the InfoObject maintenance in the SAP BW system.
  Locate the characteristic mentioned in the error message.
  Check if hierarchies are defined. If not, create the necessary hierarchies.
  Ensure that the hierarchy levels are correctly defined and that they reflect the