I have built my first demo app using designer, and I am able to preview it in the browser, but I am having an issue simulating it. The package builds ok, and then I get the following error:
The application was successfully packaged
Path: //Users/q4iosapps/Sites/Sencha/build/Q4 Demo.app
[DEBUG] 2012-04-04 14:01:43.821 stbuild_template[26312:17903] The requested URL was not found on this server.