Fatal error: Uncaught Error: Call to undefined function woocommerce_register_additional_checkout_field() in /var/www/html/wp-content/plugins/wc-apg-nifcifnie-field/includes/clases/pedido.php:132 Stack trace: #0 /var/www/html/wp-includes/class-wp-hook.php(303): APG_Campo_NIF_en_Pedido->apg_nif_formulario_bloques('') #1 /var/www/html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters('', Array) #2 /var/www/html/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #3 /var/www/html/wp-content/plugins/woocommerce/includes/class-woocommerce.php(667): do_action('woocommerce_ini...') #4 /var/www/html/wp-includes/class-wp-hook.php(303): WooCommerce->init('') #5 /var/www/html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array) #6 /var/www/html/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #7 /var/www/html/wp-settings.php(578): do_action('init') #8 /var/www/html/wp-config.php(100): require_once('/var/www/html/w...') #9 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...') #10 /var/w in /var/www/html/wp-content/plugins/wc-apg-nifcifnie-field/includes/clases/pedido.php on line 132