Notice: Only variables should be passed by reference in /mnt/web207/b2/18/5267318/htdocs/g20/wp-content/themes/hueman/hueman/option-tree/ot-loader.php on line 280 Fatal error: Uncaught Error: Call to undefined function WC() in /mnt/web207/b2/18/5267318/htdocs/g20/wp-content/plugins/woocommerce-products-per-page/includes/class-wppp-front-end.php:204 Stack trace: #0 /mnt/web207/b2/18/5267318/htdocs/g20/wp-includes/class-wp-hook.php(298): WPPP_Front_End->set_customer_session('') #1 /mnt/web207/b2/18/5267318/htdocs/g20/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /mnt/web207/b2/18/5267318/htdocs/g20/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /mnt/web207/b2/18/5267318/htdocs/g20/wp-settings.php(449): do_action('init') #4 /mnt/web207/b2/18/5267318/htdocs/g20/wp-config.php(88): require_once('/mnt/web207/b2/...') #5 /mnt/web207/b2/18/5267318/htdocs/g20/wp-load.php(37): require_once('/mnt/web207/b2/...') #6 /mnt/web207/b2/18/5267318/htdocs/g20/wp-blog-header.php(13): require_once('/mnt/web207/b2/...') #7 /mnt/web207/b2/18/5267318/htdocs/g20/index.php(17): require('/mnt/web207/b2/...') #8 {main} thrown in /mnt/web207/b2/18/5267318/htdocs/g20/wp-content/plugins/woocommerce-products-per-page/includes/class-wppp-front-end.php on line 204