Fatal error: Uncaught Error: Class 'Omnipay\SecurePay\Message\SecureXMLAbstractRequest' not found in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/Message/SecureXMLRefundRequest.php:13 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/Message/SecureXMLRefundRequest.php on line 13