Share ke Facebook Berita dan Halaman di Web Portal Kampus gambar Thumbnail tidak muncul

Assalamualaikum,.. coba buka file :
application\views\phpmu-one\template.php
 
Dan tambahkan didalam tag head script berikut :
<?php 
if ($this->uri->segment(1)=='berita' AND $this->uri->segment(2)=='detail'){ 
  $rows = $this->model_utama->view_where('berita',array('judul_seo' => $this->uri->segment(3)))->row_array();
  $image = base_url().'asset/foto_berita/'.$rows['gambar'];
}else{
  $image = base_url().'asset/images/favicon.png';
}
echo '<meta property="og:title" content="'.$title.'"/>
    <meta property="og:type" content="article"/>
    <meta property="og:url" content="http://'.$_SERVER['HTTP_HOST'].''.$_SERVER['REQUEST_URI'].'" />
    <meta property="og:image" content="'.$image.'"/>
    <meta property="og:description" content="'.$description.'"/>';
?>

Assalamualaikum,.. Terimakasih sudah berhasil