Fatal error: Uncaught TypeError: Return value of MetaBox\Updater\Checker::enable_update() must be an instance of MetaBox\Updater\void, none returned in /wordpress/wp-content/plugins/meta-box/src/Updater/Checker.php:23 Stack trace: #0 /wordpress/wp-includes/class-wp-hook.php(307): MetaBox\Updater\Checker->enable_update('') #1 /wordpress/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /wordpress/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #3 /wordpress/wp-settings.php(587): do_action('init') #4 /wordpress/wp-config.php(96): require_once('/wordpress/wp-s...') #5 /wordpress/wp-load.php(50): require_once('/wordpress/wp-c...') #6 /wordpress/wp-blog-header.php(13): require_once('/wordpress/wp-l...') #7 /index.php(16): require('/wordpress/wp-b...') #8 {main} thrown in /wordpress/wp-content/plugins/meta-box/src/Updater/Checker.php on line 23