Fatal error: Uncaught Braintree\Exception: The Braintree library requires the curl extension. in /home/spotlytetest/public_html/promo/braintree_php/lib/Braintree.php:18 Stack trace: #0 /home/spotlytetest/public_html/promo/braintree_php/lib/Braintree.php(24): Braintree::requireDependencies() #1 /home/spotlytetest/public_html/promo/_environment.php(3): require_once('/home/spotlytet...') #2 /home/spotlytetest/public_html/promo/promo_payment.php(2): require_once('/home/spotlytet...') #3 {main} thrown in /home/spotlytetest/public_html/promo/braintree_php/lib/Braintree.php on line 18