How To Fix BRAIN891 - InfoObject &1 must not be used in the drilldown

BRAIN891 - Overview

• Message type: E = Error

• Message class: BRAIN -

• Message number: 891

• Message text: InfoObject &1 must not be used in the drilldown

Self-Explanatory Message

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BRAIN891 - Details

• The SAP error message BRAIN891 indicates that a specific InfoObject (denoted as &1) is not allowed to be used in the drilldown of a query. This typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when creating or executing queries in the BEx (Business Explorer) Analyzer or Query Designer.
  
  Cause:
  The error can arise due to several reasons:
  
  InfoObject Characteristics: The InfoObject in question may be defined as a "key figure" rather than a "characteristic." Key figures are typically used for aggregations and calculations, while characteristics are used for drilldown and filtering.
  Query Design: The InfoObject may not be included in the query definition as a characteristic that can be used for drilldown.
  Restrictions in the InfoObject: The InfoObject may have specific settings or restrictions that prevent it from being used in drilldown scenarios.
  Hierarchy Issues: If the InfoObject is part of a hierarchy, it may not be allowed in