Fatal error: Uncaught Error: Class 'Omnipay\SecurePay\Message\SecureXMLAbstractRequest' not found in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/Message/SecureXMLPurchaseRequest.php:8 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/Message/SecureXMLPurchaseRequest.php on line 8