Fatal error: Uncaught Error: Call to undefined function add_filter() in /usr/home/krichard/public_html/theimpression/wp-content/plugins/wp-analytify/classes/user_optout.php:10 Stack trace: #0 /usr/home/krichard/public_html/theimpression/wp-content/plugins/wp-analytify/classes/user_optout.php(133): Analytify_User_Optout->__construct() #1 {main} thrown in /usr/home/krichard/public_html/theimpression/wp-content/plugins/wp-analytify/classes/user_optout.php on line 10