protected function validate_coupon_excluded_items( $coupon ) {
		$items = $this->get_items_to_validate();
		if ( ! empty( $items ) && $coupon->is_type( wc_get_product_coupon_types() ) ) {
			$valid = false;

			foreach ( $items as $item ) {
				if ( $item->product && $coupon->is_valid_for_product( $item->product, $item->object ) ) {
					$valid = true;
					break;
				}
			}

			if ( ! $valid ) {
				throw new Exception( __( 'Sorry, this coupon is not applicable to selected products.', 'woocommerce' ), 109 );
			}
		}

		return true;
	}