array(1) {
  [0]=>
  array(2) {
    ["archive_color"]=>
    string(7) "#AE1919"
    ["menu_attr"]=>
    object(WP_Error)#3446 (3) {
      ["errors"]=>
      array(1) {
        ["invalid_term"]=>
        array(1) {
          [0]=>
          string(11) "Empty Term."
        }
      }
      ["error_data"]=>
      array(0) {
      }
      ["additional_data":protected]=>
      array(0) {
      }
    }
  }
}