Fatal error: Uncaught Error: Class 'Facebook\FacebookRequestException' not found in /home/allfirec/public_html/facebook/facebook-php-sdk-v4-4.0-dev/src/Facebook/FacebookClientException.php:30 Stack trace: #0 {main} thrown in /home/allfirec/public_html/facebook/facebook-php-sdk-v4-4.0-dev/src/Facebook/FacebookClientException.php on line 30