Fatal error: Uncaught Exception: Facebook needs the CURL PHP extension. in /var/www/wis/fileadmin/wis/lib/facebook/base_facebook.php:19 Stack trace: #0 /var/www/wis/fileadmin/wis/lib/facebook/facebook.php(18): require_once() #1 /var/www/wis/fileadmin/wis/lib/global.inc.php(37): include_once('/var/www/wis/fi...') #2 /var/www/wis/fileadmin/wis/index.php(8): include_once('/var/www/wis/fi...') #3 /var/www/vendor/typo3/cms/index.php(21): require_once('/var/www/wis/fi...') #4 {main} thrown in /var/www/wis/fileadmin/wis/lib/facebook/base_facebook.php on line 19