Hi there,
Please follow the instruction.
File location & go to line one 37 to 47 & replace with this code
templates/shaper_shopin/html/com_content/article/default.php
//opengraph
$document = JFactory::getDocument();
$document->addCustomTag('<meta property="og:url" content="'.JURI::current().'" />');
$document->addCustomTag('<meta property="og:type" content="article" />');
$document->addCustomTag('<meta property="og:title" content="'. $this->item->title .'" />');
$document->addCustomTag('<meta property="og:description" content="'. JHtml::_('string.truncate', $this->item->introtext, 155, false, false ) .'" />');
if ($article_image) {
$document->addCustomTag('<meta property="og:image" content="'. JURI::root().$article_image.'" />');
$document->addCustomTag('<meta property="og:image:width" content="600" />');
$document->addCustomTag('<meta property="og:image:height" content="315" />');
}
$post_format = $params->get('post_format', 'standard');
$has_post_format = $tpl_params->get('show_post_format');
if($this->print) $has_post_format = false;
-Thanks