Fatal error: Uncaught Error: Call to undefined function WC() in /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-content/plugins/product-extras-for-woocommerce/inc/functions-cart.php:1285 Stack trace: #0 /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-includes/class-wp-hook.php(307): pewc_check_cart_key('') #1 /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #3 /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-includes/template-loader.php(13): do_action('template_redire...') #4 /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-blog-header.php(19): require_once('/home/customer/...') #5 /home/customer/www/shop.lonestarvolleyball.net/public_html/index.php(17): require('/home/customer/...') #6 {main} thrown in /home/customer/www/shop.lonestarvolleyball.net/public_html/wp-content/plugins/product-extras-for-woocommerce/inc/functions-cart.php on line 1285