Fatal error: Uncaught Error: Class "Braintree_Exception" not found in /home/flsinformaticaco/public_html/storage/vendor/braintree/braintree_php/lib/Braintree/Exception/UpgradeRequired.php:9 Stack trace: #0 {main} thrown in /home/flsinformaticaco/public_html/storage/vendor/braintree/braintree_php/lib/Braintree/Exception/UpgradeRequired.php on line 9