Fatal error: Uncaught Error: Class 'Omnipay\PayPal\ExpressGateway' not found in /home/app/htdocs/ninja/vendor/omnipay/paypal/src/ExpressInContextGateway.php:8
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/omnipay/paypal/src/ExpressInContextGateway.php on line 8