Fatal error: Uncaught exception 'Exception' with message 'Facebook needs the CURL PHP extension.' in /var/www/ivyway/util/fb-twitter_login/facebook/base_facebook.php:19 Stack trace: #0 /var/www/ivyway/util/fb-twitter_login/facebook/facebook.php(18): require_once() #1 /var/www/ivyway/login-facebook.php(3): require_once('/var/www/ivyway...') #2 {main} thrown in /var/www/ivyway/util/fb-twitter_login/facebook/base_facebook.php on line 19