Fatal error: Uncaught Error: Class 'DOMDocument' not found in /htdocs/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/lib/dom_document_fragment.php:15 Stack trace: #0 /htdocs/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/bootstrap/autoload.php(59): require_once() #1 [internal function]: podlove_autoloader() #2 /htdocs/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/lib/modules/oembed/oembed.php(122): spl_autoload_call() #3 /htdocs/wp-includes/class-wp-hook.php(287): Podlove\Modules\oembed\oembed->register_oembed_discovery() #4 /htdocs/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters() #5 /htdocs/wp-includes/plugin.php(478): WP_Hook->do_action() #6 /htdocs/wp-includes/general-template.php(3009): do_action() #7 /htdocs/wp-content/themes/metrolo/header.php(7): wp_head() #8 /htdocs/wp-includes/template.php(730): require_once('/htdocs/wp-cont...') #9 /htdocs/wp-includes/template.php(676): load_template() #10 /htdocs/wp-includes/general-template.php(48): locate_template() #11 /htdocs in /htdocs/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/lib/dom_document_fragment.php on line 15