Fatal error: Uncaught Error: Class 'Omnipay\Common\AbstractGateway' not found in /home/app/htdocs/ninja/vendor/omnipay/firstdata/src/PayeezyGateway.php:96 Stack trace: #0 {main} thrown in /home/app/htdocs/ninja/vendor/omnipay/firstdata/src/PayeezyGateway.php on line 96