Ttdfjt

I am trying to set the Shipping Method Programatically on place Order using Below code . But I am Getting Error

For your Reference I am Using https://github.com/magestat/magento2-split-order/
Code

message: "The shipping method is missing. Select the shipping method and try again."

/**
 * Places an order for a specified cart.
 *
 * @param QuoteManagement $subject
 * @param callable $proceed
 * @param int $cartId
 * @param string $payment
 * @return mixed
 * @throws LocalizedException
 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 * @see MagentoQuoteApiCartManagementInterface
 */
public function aroundPlaceOrder(QuoteManagement $subject, callable $proceed, $cartId, $payment = null)

 $currentQuote = $this->quoteRepository->getActive($cartId);
 // Separate all items in quote into new quotes.
 $quotes = $this->quoteHandler->normalizeQuotes($currentQuote);
 if (empty($quotes)) 
 return $result = array_values([($proceed($cartId, $payment))]);
 
 // Collect list of data addresses.
 $addresses = $this->quoteHandler->collectAddressesData($currentQuote);
 /** @var MagentoSalesApiDataOrderInterface[] $orders */
 $orders = [];
 $orderIds = [];
 $orderSrNo = 1;
 $this->checkoutSession->setOrderSrNO($orderSrNo);
 foreach ($quotes as $items) 
 /** @var MagentoQuoteModelQuote $split */
 $split = $this->quoteFactory->create();
 // Set all customer definition data.
 $this->quoteHandler->setCustomerData($currentQuote, $split);
 $this->toSaveQuote($split);
 // Map quote items.
 foreach ($items as $item) 
 // Add item by item.
 $item->setId(null);
 $split->addItem($item);
 
 $this->quoteHandler->populateQuote($quotes, $split, $items, $addresses, $payment);
 // Dispatch event as Magento standard once per each quote split.
 $this->eventManager->dispatch(
 'checkout_submit_before',
 ['quote' => $split]
 );

 $this->helperData->writeLogger('$split->getShippingAddress()->getShippingMethod()');
 $this->helperData->writeLogger(json_encode($split->getShippingAddress()->getShippingMethod()));
 $split->getShippingAddress()->setShippingMethod('freeshipping_freeshipping');
 $split->getShippingAddress()->setCollectShippingRates(true);


 $this->toSaveQuote($split);
 $order = $subject->submit($split);
 $orders[] = $order;
 $orderIds[$order->getId()] = $order->getIncrementId();
 $orderSrNo++;
 $this->checkoutSession->unsOrderSrNO();
 $this->checkoutSession->setOrderSrNO($orderSrNo);

 if (null == $order) 
 throw new LocalizedException(__('Please try to place the order again.'));
 
 
 $currentQuote->setIsActive(false);
 $this->toSaveQuote($currentQuote);
 $this->quoteHandler->defineSessions($split, $order, $orderIds);
 $this->eventManager->dispatch(
 'checkout_submit_all_after',
 ['orders' => $orders, 'quote' => $currentQuote]
 );
 return $this->getOrderKeys($orderIds);

/**
 * Save quote
 *
 * @param MagentoQuoteApiDataCartInterface $quote
 * @return MyModuleSplitOrderPluginSplitQuote
 */
private function toSaveQuote($quote)

 $this->quoteRepository->save($quote);
 return $this;

/**
 * @param array $orderIds
 * @return array
 */
private function getOrderKeys($orderIds)

 $orderValues = [];
 foreach (array_keys($orderIds) as $orderKey) 
 $orderValues[] = (string) $orderKey;
 
 return array_values($orderValues);