The query engines of Explorer and the Report Designer have these limitations:
The Report Writer query engine does not support Explorer queries that include conditional selections based on trees and/or plug-in attributes. You can't export them to Report Writer using the wizard.
The Explorer query engine can apply these conditions to a text string (alphanumeric) property:
The Report Designer does not support any of these conditions. You cannot add Explorer query containing any one of them to the Designer using the wizard. An error message displays when you try to open the Report Designer wizard is any one of these conditions exist.