UPDATE 13 May 2015 5:00 pm: This problem is now fixed.
If you run a search in OneSearch using the yellow search bar on the library website, you’ll get an error on the search results page that says “An unexpected error has occured” and looks like this:
If you re-run the search within the OneSearch interface, it’ll be fine. The CUNY Office of Library Service is looking into this problem with search widgets embedded in library web pages.