Fatal error: Uncaught Error: Interface 'Facebook\Http\RequestBodyInterface' not found in /home/ncue/public_html/facebook/php-graph-sdk/src/Facebook/Http/RequestBodyMultipart.php:37 Stack trace: #0 {main} thrown in /home/ncue/public_html/facebook/php-graph-sdk/src/Facebook/Http/RequestBodyMultipart.php on line 37