Fatal error: Uncaught Error: Interface "WPO\IPS\Vendor\Sabre\Xml\XmlSerializable" not found in /home/weddwapa/plantsmans.com/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/strauss/sabre/xml/lib/Element.php:20 Stack trace: #0 {main} thrown in /home/weddwapa/plantsmans.com/wp-content/plugins/woocommerce-pdf-invoices-packing-slips/vendor/strauss/sabre/xml/lib/Element.php on line 20