Fatal error: Uncaught Error: Class 'Facebook\Helpers\FacebookSignedRequestFromInputHelper' not found in /home/ncue/public_html/facebook/php-graph-sdk/src/Facebook/Helpers/FacebookJavaScriptHelper.php:31
Stack trace:
#0 {main}
thrown in /home/ncue/public_html/facebook/php-graph-sdk/src/Facebook/Helpers/FacebookJavaScriptHelper.php on line 31