Fatal error: Access level to WCPayPalPlus\WC\PayPalPlusGateway::can_refund_order() must be public (as in class WC_Payment_Gateway) in /homepages/39/d588544802/htdocs/app588628389/wp-content/plugins/woo-paypalplus/src/WC/PayPalPlusGateway.php on line 648