I have a controller with following code

$data = $this->getRequest()->getPostValue();
    $item_id = $data['item_id'];
    $additionalOptions = $data['additional_options'];
    $itemFactory = $this->itemFactory->create()->load($item_id);

but it throws following error while saving the quote item data as follows.

Fatal error: Uncaught Error: Call to a member function getStoreId() on null in vendor/magento/module-quote/Model/Quote/Item/AbstractItem.php:144 Stack trace: #0


I think you are trying to loading an the model \Magento\Quote\Model\Quote\Item with quote_id parameter, which I think won't work.

What you need to do here is, use the quote_id parameter to load \Magento\Quote\Model\Quote model instance and then pick the right \Magento\Quote\Model\Quote\Item through it and set your data.

So this is what you need to do here.

$quote_id = $data['quote_id'];
$additionalOptions = $data['additional_options'];
$quote = $this->quoteRepository->getById($quote_id);

foreach ($quote->getItems() as $quoteItem) {


Here $this->quoteRepository dependency should be \Magento\Quote\Api\CartRepositoryInterface. Also in the foreach loop, if you want to add further filtering for the quote item, then you should add it too.

  • $quote_id variable contains item_id so it that case it should work isn't it.? – Prathap Gunasekaran Nov 1 '18 at 9:50
  • I've updated the code, just have a look at it. – Prathap Gunasekaran Nov 1 '18 at 10:14

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