Thank you for the provided error log. It seems that the page is not fully loaded after the navigation. Try to increase the ClientReadyTimeout. It specifies the amount of time to wait for the browser to return to a ready state (finish loading the web page). You can do that from the Test List Settings
(if you are running your test as part of a Test List) or from Quick Execution Options
(if it's a Quick Execution).
Please, let me know if you are still unable to get this to work.
the Telerik team