Fatal error: Uncaught Error: Class 'DOMDocument' not found in /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/utils/class-amp-dom-utils.php:7 Stack trace: #0 /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/class-amp-content.php(98): AMP_DOM_Utils::get_dom_from_content('<h1>The Scout V...') #1 /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/class-amp-content.php(85): AMP_Content_Sanitizer::sanitize('<h1>The Scout V...', Array, Array) #2 /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/class-amp-content.php(46): AMP_Content->sanitize('<h1>The Scout V...') #3 /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/class-amp-content.php(22): AMP_Content->transform() #4 /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/class-amp-post-template.php(242): AMP_Content->__construct('<h1>The Scout V...', Array, Array, Array) #5 /srv/apps/wordpress/releases/20171026180745/wp-cont in /srv/apps/wordpress/releases/20171026180745/wp-content/plugins/amp/includes/utils/class-amp-dom-utils.php on line 7