Fatal error: Uncaught Error: Call to undefined function wc_get_orders() in /home/clima235/public_html/wp-content/plugins/woocommerce-pdf-invoices-italian-add-on/includes/class_wc_update_db.php:47 Stack trace: #0 /home/clima235/public_html/wp-content/plugins/woocommerce-pdf-invoices-italian-add-on/includes/class_wc_update_db.php(18): WooCommerce_Italian_add_on_Update->update_db() #1 /home/clima235/public_html/wp-content/plugins/woocommerce-pdf-invoices-italian-add-on/woocommerce-pdf-italian-add-on.php(156): WooCommerce_Italian_add_on_Update->test() #2 /home/clima235/public_html/wp-includes/plugin.php(525): WooCommerce_Italian_add_on->init_integration('') #3 /home/clima235/public_html/wp-settings.php(392): do_action('init') #4 /home/clima235/public_html/wp-config.php(89): require_once('/home/clima235/...') #5 /home/clima235/public_html/wp-load.php(37): require_once('/home/clima235/...') #6 /home/clima235/public_html/wp-blog-header.php(12): require_once('/home/clima235/...') #7 /home/clima235/public_html/index.php(17): requi in /home/clima235/public_html/wp-content/plugins/woocommerce-pdf-invoices-italian-add-on/includes/class_wc_update_db.php on line 47