Adobe broke that in the recent update. Try using the webassist "Query Builder" button above. It is a more visual way to build queries and can be used in place of that builder.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.