Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/eintrachtpodcast/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/includes/db_migration.php:24 Stack trace: #0 {main} thrown in /var/www/eintrachtpodcast/wp-content/plugins/podlove-podcasting-plugin-for-wordpress/includes/db_migration.php on line 24