Fatal error: Uncaught Error: Call to undefined function post_class() in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/theme-compat/embed-content.php:13 Stack trace: #0 {main} thrown in /home/pacs/vcg00/users/compgen.de/wordpress/wp-includes/theme-compat/embed-content.php on line 13