Last modified: 2013-07-08 09:38:59 UTC
If you enter just "Talk:", "Wikipedia:", or any other namespace without a following page name in the search box, it returns "An error has occurred while searching: The search backend returned an error: ". No specific error is displayed.
Hi Molly. Thanks for taking the time to report this! This particular problem has already been reported into our bug tracking system, but please feel free to report any further issues you find. *** This bug has been marked as a duplicate of bug 49675 ***