views natural sort module issue

hi I installed views natural sort module and just after that i saw the following notice, Notice: Undefined property: view::$exposed_data in views_natural_sort_handler_sort->query() (line 31 of /home/content/42/10617942/html/sites/all/modules/views_natural_sort/handlers/views_natural_sort_handler_sort.inc). plz help me. thanks Drupal version:  Drupal 7.x Source: https://www.drupal.org/taxonomy/term/4/feed