This is using Sitecore 8.1 Update 1. When I click the search icon to get the "navigate to item" and search for something in my website, I get a "requested document not found" error. It's quite clearly there, but even something like my home page will throw this error. It's a multi-site setup, but I thought this was supposed to handle that just fine and even facilitate working in multiple sites.
This message is at the bottom of the page - "If the page you are trying to display exists, please check that an appropriate prefix has been added to the IgnoreUrlPrefixes setting in the web.config." - but I'd guess that's for any "real" pages - these are definitely Sitecore items.
Any thoughts? Thanks.