File: /var/www/vhost/disk-apps/magento.bikenow.co/vendor/magento/module-sales-graph-ql/etc/graphql/di.xml
<?xml version="1.0"?>
<!--
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
<type name="Magento\SalesGraphQl\Model\TypeResolver\OrderItem">
<arguments>
<argument name="productTypeMap" xsi:type="array">
<item name="default" xsi:type="string">OrderItem</item>
</argument>
</arguments>
</type>
<type name="Magento\SalesGraphQl\Model\TypeResolver\InvoiceItem">
<arguments>
<argument name="productTypeMap" xsi:type="array">
<item name="default" xsi:type="string">InvoiceItem</item>
</argument>
</arguments>
</type>
<type name="Magento\SalesGraphQl\Model\TypeResolver\CreditMemoItem">
<arguments>
<argument name="productTypeMap" xsi:type="array">
<item name="default" xsi:type="string">CreditMemoItem</item>
</argument>
</arguments>
</type>
<type name="Magento\SalesGraphQl\Model\TypeResolver\ShipmentItem">
<arguments>
<argument name="productTypeMap" xsi:type="array">
<item name="default" xsi:type="string">ShipmentItem</item>
</argument>
</arguments>
</type>
<preference for="Magento\SalesGraphQl\Model\Shipment\Item\FormatterInterface" type="Magento\SalesGraphQl\Model\Shipment\Item\ShipmentItemFormatter"/>
<type name="Magento\SalesGraphQl\Model\Shipment\ItemProvider">
<arguments>
<argument name="formatters" xsi:type="array">
<item name="default" xsi:type="object">Magento\SalesGraphQl\Model\Shipment\Item\ShipmentItemFormatter\Proxy</item>
</argument>
</arguments>
</type>
</config>