$quote = $this->prepareShippingAssignment($quote, $address, $carrierCode . '_' . $methodCode);
    $this->validateQuote($quote);
    $quote->setIsMultiShipping(false);

    try {
        $this->quoteRepository->save($quote);
    } catch (Exception $e) {
        $this->logger->critical($e);
        throw new InputException(__('We are having a problem getting shipping rates. Please check the address you entered or contact customer service.'));
    }