hi, i need to publish message in my wall using php when i use this code $url = 'https://graph.facebook.com/oauth/access_token?client_id='.$this->facebook_client_id.'&client_secret='.$this->facebook_client_secret.'&grant_type=client_credentials'; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); $get = curl_exec($ch); curl_close($ch); $access_token = str_replace('access_token=', '', $get); $ch = curl_init(); $postFields = array('access_token' => $access_token, 'message' => 'test message'); curl_setopt($ch, CURLOPT_URL, "https://graph.facebook.com/profile_id_here/feed"); curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_VERBOSE, true); $tt = curl_exec($ch); curl_close($ch); PHP: i get this error