Fatal error: Uncaught Error: Call to undefined function add_action() in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/so-widgets-bundle/compat/elementor/elementor.php:18 Stack trace: #0 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/so-widgets-bundle/compat/elementor/elementor.php(12): SiteOrigin_Widgets_Bundle_Elementor->__construct() #1 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/so-widgets-bundle/compat/elementor/elementor.php(87): SiteOrigin_Widgets_Bundle_Elementor::single() #2 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/so-widgets-bundle/compat/elementor/elementor.php on line 18