Fatal error: Uncaught Error: Class 'Braintree\CustomerGateway' not found in /home/app/htdocs/ninja/vendor/braintree/braintree_php/lib/Braintree/TransparentRedirectGateway.php:47 Stack trace: #0 /home/app/htdocs/ninja/vendor/braintree/braintree_php/lib/Braintree/TransparentRedirectGateway.php(288): Braintree\TransparentRedirectGateway::init() #1 {main} thrown in /home/app/htdocs/ninja/vendor/braintree/braintree_php/lib/Braintree/TransparentRedirectGateway.php on line 47