Fatal error: Uncaught Error: Call to undefined function WC() in /home/customer/www/oxon2.com/public_html/wp-content/plugins/woocommerce-one-page-checkout/woocommerce-one-page-checkout.php:341 Stack trace: #0 /home/customer/www/oxon2.com/public_html/wp-content/plugins/woocommerce-one-page-checkout/woocommerce-one-page-checkout.php(1928): PP_One_Page_Checkout::is_wcopc_checkout() #1 /home/customer/www/oxon2.com/public_html/wp-content/plugins/woocommerce-one-page-checkout/woocommerce-one-page-checkout.php(292): PP_One_Page_Checkout::maybe_enable_robots() #2 /home/customer/www/oxon2.com/public_html/wp-content/plugins/woocommerce-one-page-checkout/woocommerce-one-page-checkout.php(107): PP_One_Page_Checkout::init() #3 /home/customer/www/oxon2.com/public_html/wp-includes/class-wp-hook.php(308): initialize_one_page_checkout('') #4 /home/customer/www/oxon2.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #5 /home/customer/www/oxon2.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_act in /home/customer/www/oxon2.com/public_html/wp-content/plugins/woocommerce-one-page-checkout/woocommerce-one-page-checkout.php on line 341