Fatal error: Uncaught Braintree\Exception\Authentication in /home/staging/wt-tmp/vendor/braintree/braintree_php/lib/Braintree/Util.php:60 Stack trace: #0 /home/staging/wt-tmp/vendor/braintree/braintree_php/lib/Braintree/Http.php(76): Braintree\Util::throwStatusCodeException(401) #1 /home/staging/wt-tmp/vendor/braintree/braintree_php/lib/Braintree/ClientTokenGateway.php(52): Braintree\Http->post('/merchants/9h59...', Array) #2 /home/staging/wt-tmp/vendor/braintree/braintree_php/lib/Braintree/ClientTokenGateway.php(45): Braintree\ClientTokenGateway->_doGenerate('/client_token', Array) #3 /home/staging/wt-git/payments/Braintree/BraintreeClient.php(428): Braintree\ClientTokenGateway->generate() #4 /home/staging/wt-git/wt/new-design/credit_card.php(19): WT\Payments\Braintree\BraintreeClient->generateToken() #5 {main} thrown in /home/staging/wt-tmp/vendor/braintree/braintree_php/lib/Braintree/Util.php on line 60