Magento 2 - Cant use product factory in plugin

Question

I try to add a new product in a afterSave plugin for Magento\Quote\Api\CartItemRepositoryInterface, but I get:

Type Error occurred when creating object: Company\Quote\Plugin\RalSpecialColorPriceSurcharge, Argument 3 passed to Company\Quote\Plugin\RalSpecialColorPriceSurcharge::__construct() must be an instance of Magento\Catalog\Model\ProductFactory, instance of Magento\Framework\App\Config given, called

app\code\Company\Quote\etc\di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Quote\Api\CartItemRepositoryInterface">
        <plugin name="company_quote_ral_specialcolor_price_surcharge" 
                type="Company\Quote\Plugin\RalSpecialColorPriceSurcharge"
                sortOrder="10"/>
    </type>
</config>

app\code\Company\Quote\Plugin\RalSpecialColorPriceSurcharge.php

<?php

namespace Company\Quote\Plugin;

use \Magento\Catalog\Model\ProductFactory;

class RalSpecialColorPriceSurcharge
{
    /**
     * @var Company\Quote\Model\Config\Settings
     */
    private $settings;

    public function __construct(
        \Magento\Catalog\Model\ProductFactory $productFactory,
    ) {
        $this->productFactory = $productFactory;
    }

   ...

Answer 1

I figured it out. The problem was, that I executed bin/magento setup:di:compile earlier, which means that the code is getting compiled into the static files and loaded from there.

So if you call it once, then you always have to call it again after making changes to the constructor.