Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/piercingowelove/public_html/piercingowelove/wp-content/themes/customify/inc/customizer/configs/page-header.php:11 Stack trace: #0 /home/piercingowelove/public_html/piercingowelove/wp-content/themes/customify/inc/customizer/configs/page-header.php(26): Customify_Page_Header->__construct() #1 /home/piercingowelove/public_html/piercingowelove/wp-content/themes/customify/inc/customizer/configs/page-header.php(1027): Customify_Page_Header::get_instance() #2 {main} thrown in /home/piercingowelove/public_html/piercingowelove/wp-content/themes/customify/inc/customizer/configs/page-header.php on line 11