Fatal error: Uncaught Error: Class 'Omnipay\SecureTrading\Message\AbstractRequest' not found in /home/app/htdocs/ninja/vendor/meebio/omnipay-secure-trading/src/Message/CompletePurchaseRequest.php:13 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/meebio/omnipay-secure-trading/src/Message/CompletePurchaseRequest.php on line 13