@Override
        public ValidationInfo validate(Object value, int row, int column) {
          MemberInfoData data = getMemberInfoData(row);
          if (data == null) return null;
          return switch (data.problem) {
            case MemberInfoModel.ERROR -> new ValidationInfo("");
            case MemberInfoModel.WARNING -> new ValidationInfo("").asWarning();
            default -> null;
          };
        }
@Override
        public ValidationInfo validate(Object value, int row, int column)