Fatal error: Uncaught Error: Class 'Omnipay\Common\AbstractGateway' not found in /home/app/htdocs/ninja/vendor/omnipay/payflow/src/ProGateway.php:94
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/omnipay/payflow/src/ProGateway.php on line 94