I had this same error. I'm not sure if this will be the solution for you, but the URL I was being redirected to was not correct. I was using "Redirector" with SideViewUtils in the view "FirstTestView" and had specified the "Redirector" to go to the view "DifferentTestView" and received the "Unexpected query string parameters" error. I was being sent to /app/TestApp/FirstTestView/DifferentTestView?token=foo This should have been /app/TestApp/DifferentTestView?token=foo I changed the "url" parameter for "Redirector" to be "..(backslash)DifferentTestView" and it went to the correct view. To troubleshoot, you may want to go to the URL directly to ensure the issue is with the URL and then try and figure out the correct URL. ... View more