Fatal error: Uncaught Error: Class "Braintree\Exception" not found in /home/karendei/public_html/test.karenderia.ir/vendor/braintree/braintree_php/lib/Braintree/Exception/Authentication.php:13 Stack trace: #0 {main} thrown in /home/karendei/public_html/test.karenderia.ir/vendor/braintree/braintree_php/lib/Braintree/Exception/Authentication.php on line 13