Fatal error: Uncaught TypeError: Return value of MetaBox\Updater\Checker::enable_update() must be an instance of MetaBox\Updater\void, none returned in /var/www/web1416/html/startrails/startrails_neu/wp-content/plugins/meta-box/src/Updater/Checker.php:23 Stack trace: #0 /var/www/web1416/html/startrails/startrails_neu/wp-includes/class-wp-hook.php(308): MetaBox\Updater\Checker->enable_update('') #1 /var/www/web1416/html/startrails/startrails_neu/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #2 /var/www/web1416/html/startrails/startrails_neu/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /var/www/web1416/html/startrails/startrails_neu/wp-settings.php(617): do_action('init') #4 /var/www/web1416/html/startrails/startrails_neu/wp-config.php(115): require_once('/var/www/web141...') #5 /var/www/web1416/html/startrails/startrails_neu/wp-load.php(50): require_once('/var/www/web141...') #6 /var/www/web1416/html/startrails/startrails_neu/wp-blog-header.php(13): require_once('/var/www/web141...') in /var/www/web1416/html/startrails/startrails_neu/wp-content/plugins/meta-box/src/Updater/Checker.php on line 23