Fatal error: Uncaught Error: Call to undefined function curl_init() in D:\wwwroot\paypal.paperlesstrans.com\Token.php:3 Stack trace: #0 D:\wwwroot\paypal.paperlesstrans.com\BillingAgreement.php(2): require() #1 D:\wwwroot\paypal.paperlesstrans.com\index.php(2): require('D:\\wwwroot\\payp...') #2 {main} thrown in D:\wwwroot\paypal.paperlesstrans.com\Token.php on line 3