Fatal error: Uncaught Error: Class 'Omnipay\Common\Message\AbstractResponse' not found in /home/app/htdocs/ninja/vendor/omnipay/sagepay/src/Message/Response.php:12
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/omnipay/sagepay/src/Message/Response.php on line 12