Fatal error: Uncaught Error: Call to undefined function WC() in C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-content\plugins\yith-woocommerce-ajax-navigation\includes\class.yith-wcan.php:85 Stack trace: #0 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-content\plugins\yith-woocommerce-ajax-navigation\includes\class.yith-wcan.php(172): YITH_WCAN->__construct() #1 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-content\plugins\yith-woocommerce-ajax-navigation\init.php(102): YITH_WCAN::instance() #2 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-content\themes\venedor\inc\functions.php(2222): YITH_WCAN() #3 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-includes\class-wp-hook.php(286): porto_woocommerce_yith_ajax_filter(Object(WP_Post), Object(WP_Query)) #4 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-includes\class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #5 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-includes\plugin.php(515): WP_Hook->do_action(Array) #6 C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-includes\clas in C:\Inetpub\vhosts\slick-deals.org\httpdocs\wp-content\plugins\yith-woocommerce-ajax-navigation\includes\class.yith-wcan.php on line 85