Fatal error: Uncaught exception 'Braintree\Exception\SSLCertificate' in /home/answerkeyusn/public_html/braintree/lib/Braintree/Http.php:163
Stack trace:
#0 /home/answerkeyusn/public_html/braintree/lib/Braintree/Http.php(101): Braintree\Http->_doUrlRequest('POST', 'https://api.bra...', '<?xml version="...')
#1 /home/answerkeyusn/public_html/braintree/lib/Braintree/Http.php(42): Braintree\Http->_doRequest('POST', '/merchants/4y6m...', '<?xml version="...')
#2 /home/answerkeyusn/public_html/braintree/lib/Braintree/ClientTokenGateway.php(61): Braintree\Http->post('/merchants/4y6m...', Array)
#3 /home/answerkeyusn/public_html/braintree/lib/Braintree/ClientTokenGateway.php(47): Braintree\ClientTokenGateway->_doGenerate('/client_token', Array)
#4 /home/answerkeyusn/public_html/braintree/lib/Braintree/ClientToken.php(18): Braintree\ClientTokenGateway->generate(Array)
#5 /home/answerkeyusn/public_html/app/custom/30/checkout.php(20): Braintree\ClientToken::generate()
#6 {main}
thrown in /home/answerkeyusn/public_html/braintree/lib/Braintree/Http.php on line 163