Fatal error: Uncaught Error: Call to undefined function net\authorize\util\curl_init() in /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/lib/net/authorize/util/HttpClient.php:68 Stack trace: #0 /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/lib/net/authorize/api/controller/base/ApiOperationBase.php(138): net\authorize\util\HttpClient->_sendRequest() #1 /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/lib/net/authorize/api/controller/base/ApiOperationBase.php(104): net\authorize\api\controller\base\ApiOperationBase->execute() #2 /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/sample-code/CustomerProfiles/update-customer-payment-profile.php(63): net\authorize\api\controller\base\ApiOperationBase->executeWithApiResponse() #3 /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/sample-code/CustomerProfiles/update-customer-payment-profile.php(106): updateCustomerPaymentProfile() #4 { in /var/www/vhosts/zencolor.com/public_html/wp-content/themes/Divi-child/inc/arb/lib/net/authorize/util/HttpClient.php on line 68