Fatal error: Uncaught Error: Class 'Braintree\Exception' not found in /users/maximus/www/storage/vendor/braintree/braintree_php/lib/Braintree/Exception/InvalidSignature.php:6
Stack trace:
#0 {main}
thrown in /users/maximus/www/storage/vendor/braintree/braintree_php/lib/Braintree/Exception/InvalidSignature.php on line 6