Error in ILLiad/WebReports Application: a visible ungrouped DataColumn is required.
1. Go to /illiad/webreports/Borrowing/ElecDelTurnaroundTime.aspx
2. Select a range and generate a report
3. Attempt to download the resulting XLS
You should then be presented with the error screen below. This seems to be due to a change in default behavior for DevExpress's ASPxGridView control.
Released in ILLiad 9.1