Fatal error: Uncaught Error: Class "WP_Customize_Setting" not found in /home/pacs/ebe00/users/amabi/doms/abendmahlsbild.de/htdocs-ssl/wp-includes/customize/class-wp-customize-nav-menu-setting.php:21 Stack trace: #0 {main} thrown in /home/pacs/ebe00/users/amabi/doms/abendmahlsbild.de/htdocs-ssl/wp-includes/customize/class-wp-customize-nav-menu-setting.php on line 21