Class 'WPSEO_Customizer' not found
Fatal error: Uncaught Error: Call to undefined function get_user_option() in /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-content/plugins/wordpress-seo/admin/class-yoast-notification-center.php:958 Stack trace: #0 /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-content/plugins/wordpress-seo/admin/class-yoast-notification-center.php(945): Yoast_Notification_Center->get_stored_notifications() #1 /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-content/plugins/wordpress-seo/admin/class-yoast-notification-center.php(931): Yoast_Notification_Center->has_stored_notifications() #2 /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-content/plugins/wordpress-seo/admin/class-yoast-notification-center.php(639): Yoast_Notification_Center->remove_storage() #3 /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-includes/class-wp-hook.php(287): Yoast_Notification_Center->update_storage('') #4 /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #5 /mnt/web114/b1/65/5513565 in /mnt/web114/b1/65/5513565/htdocs/WordPress_01/wp-content/plugins/wordpress-seo/admin/class-yoast-notification-center.php on line 958