How To Fix BRAIN028 - Query contains too many selection elements

BRAIN028 - Overview

• Message type: E = Error

• Message class: BRAIN -

• Message number: 028

• Message text: Query contains too many selection elements

What causes this issue?

The number of selection elements (number of selection elements for
structure 1 * number of selection elements for structure 2) has to be
less than or equal to &V1&.

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?

Adjust the query.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

BRAIN028 - Details

• The SAP error message BRAIN028 indicates that a query contains too many selection elements. This typically occurs in SAP BW (Business Warehouse) when a query is created with an excessive number of selection criteria, which can lead to performance issues or exceed system limitations.
  
  Cause:
  
  Excessive Selection Criteria: The query has more selection elements than the system can handle. Each selection element adds complexity to the query execution.
  System Limitations: SAP BW has predefined limits on the number of selection criteria that can be used in a query. This limit can vary based on system configuration and version.
  Inefficient Query Design: The query may not be optimally designed, leading to unnecessary complexity.
  
  
  Solution:
  
  Reduce Selection Elements: Review the query and try to reduce the number of selection criteria. Focus on the most critical filters that are necessary for your analysis.
  Use Hierarchies: Instead of using multiple selection criteria, consider using hierarchies or ranges that can encapsulate multiple