Fatal error: Uncaught exception 'Facebook\Exceptions\FacebookAuthenticationException' with message '(#100) For field 'debug_token': The parameter input_token is required' in /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/Exceptions/FacebookResponseException.php:115 Stack trace: #0 /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/FacebookResponse.php(210): Facebook\Exceptions\FacebookResponseException::create(Object(Facebook\FacebookResponse)) #1 /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/FacebookResponse.php(255): Facebook\FacebookResponse->makeException() #2 /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/FacebookResponse.php(82): Facebook\FacebookResponse->decodeBody() #3 /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/FacebookClient.php(225): Facebook\FacebookResponse->__construct(Object(Facebook\FacebookRequest) in /home/ecommerceexperts/apps.99ecommerceexperts.com/snapzydemo/php-graph-sdk/src/Facebook/Exceptions/FacebookResponseException.php on line 115