/**
  * Compatibility function to use the new WC_Admin_Meta_Boxes class for the save_errors() function
  *
  * @since 1.0-1
  * @return old save_errors function or new class
  */
 public static function save_errors()
 {
     if (self::is_wc_version_gte_2_1()) {
         WC_Admin_Meta_Boxes::save_errors();
     } else {
         woocommerce_meta_boxes_save_errors();
     }
 }