Fatal error: Uncaught Error: Class 'Omnipay\Common\AbstractGateway' not found in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/SecureXMLGateway.php:50
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/omnipay/securepay/src/SecureXMLGateway.php on line 50