You are seeing this error because the view missing_view;?> for action params['action'];?> in controller name);?> could not be found.
Notice: this error is being rendered by the app/views/errors/missing_view.thtml
view file, a user-customizable error page for handling missing/invalid views during rendering.
Fatal: Unable to load view file missing_view;?> for action params['controller'];?>::params['action'];?>