3734373 - Error "Aggregate functions are not allowed in transactional views" when adding aggregation annotations to custom CDS View

• It is not possible to add aggregation annotations in a custom entity CDS (RAP) view to enable charts with visual filters in a Fiori app.
• When an aggregation annotation (for example @Aggregation.default) is added to an element, the Service Binding activation fails with the error "Aggregate functions are not allowed in transactional views".

SAP S/4HANA release independent

rap, cds, custom entity, aggregation annotation, @aggregation.default, aggregate functions are not allowed in transactional views, transactional view, analytical view, charts, visual filters, service binding error, odata v2, sadl, i-layer, c-layer , KBA , BC-ESI-ESF-BSA , Business Service Adaptation , Problem