Fatal error: Uncaught Error: Class 'Facebook\Exceptions\FacebookSDKException' not found in /home/egdeals/public_html/system/library/onepagechekout/Facebook/Exceptions/FacebookClientException.php:31 Stack trace: #0 {main} thrown in /home/egdeals/public_html/system/library/onepagechekout/Facebook/Exceptions/FacebookClientException.php on line 31