I had the same issue and made a walkaround using a "gate" php like this:
// Settings
$FBid = 'YOUR PAGE ID'; //Page name or Page ID
$app_id = 'YOUR APP ID';
$app_secret = 'YOUR APP SECRET';
$url_get_access_token = 'https://graph.facebook.com/oauth/access_token';
$url_params = "?type=client_cred&client_id=".$app_id."&client_secret=".$app_secret;
$access_token = file_get_contents($url_get_access_token . $url_params);
//Get the contents of a Facebook page
$dataType = 'posts'; // it could be replaced by feed, etc.
$url_fb_data = "https://graph.facebook.com/".$FBid."/".$dataType."?".$access_token;
$FBpage = file_get_contents($url_fb_data);
//Convert data into a php object format
//$FBdata = json_decode($FBpage);
//Print data in JSON format
echo $FBpage;
Having this script, all you have to do is change the call to this instead of https://graph.facebook.com/......
I hope this helps you, It worked for me.