Fatal error: Uncaught Error: Class "Sylius\Component\Core\Model\Order" not found in /home/flighto/e-commerce/vendor/sylius/paypal-plugin/etc/travis/Order.php:14 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/sylius/paypal-plugin/etc/travis/Order.php on line 14