Warning: Declaration of WPO\WC\PDF_Invoices\Documents\Pro_Document::get_settings() should be compatible with WPO\WC\PDF_Invoices\Documents\Order_Document::get_settings($latest = false, $output_format = 'pdf') in /home/customer/www/sperma-test.ch/public_html/wp-content/plugins/woocommerce-pdf-ips-pro/includes/documents/abstract-wcpdf-pro-document.php on line 51