Hi, did you figure out how to fix it? I have the same problem and cannot find any solution on the internet...
Edit:
I managed to get different exeption by modifying services.yml. I added "services" in line 2 :
# modules/productpersonalization/config/services.yml services: CustomController: class: ProductPersonalization\Controller\Admin\CustomController decorates: PrestaShopBundle\Controller\Admin\Sell\Order\OrderController arguments: ['@CustomController.inner']
Now I'm getting this exeption: