Fatal error: Uncaught Error: Class 'Braintree\Exception' not found in /home/kubalos2/public_html/testtestowy/vendor/braintree/braintree_php/lib/Braintree/Exception/Authentication.php:13 Stack trace: #0 {main} thrown in /home/kubalos2/public_html/testtestowy/vendor/braintree/braintree_php/lib/Braintree/Exception/Authentication.php on line 13