Fatal error: Uncaught Error: Call to undefined method Magento\Catalog\Model\Product\Type\Virtual::getUsedProducts() in /usr/share/nginx/ga5.us-fx.dev/app/code/Clikpak/ProductCheckoutDetail/Block/Product/Summary.php:43 Stack trace: #0 /usr/share/nginx/ga5.us-fx.dev/app/code/Clikpak/ProductCheckoutDetail/view/frontend/templates/product/view/summary.phtml(1): Clikpak\ProductCheckoutDetail\Block\Product\Summary->getCheckoutDetails() #1 /usr/share/nginx/ga5.us-fx.dev/lib/internal/Magento/Framework/View/TemplateEngine/Php.php(59): include('/usr/share/ngin...') #2 /usr/share/nginx/ga5.us-fx.dev/lib/internal/Magento/Framework/View/Element/Template.php(270): Magento\Framework\View\TemplateEngine\Php->render(Object(Clikpak\ProductCheckoutDetail\Block\Product\Summary), '/usr/share/ngin...', Array) #3 /usr/share/nginx/ga5.us-fx.dev/lib/internal/Magento/Framework/View/Element/Template.php(300): Magento\Framework\View\Element\Template->fetchView('/usr/share/ngin...') #4 /usr/share/nginx/ga5.us-fx.dev/lib/internal/Magento/Framework/View in /usr/share/nginx/ga5.us-fx.dev/app/code/Clikpak/ProductCheckoutDetail/Block/Product/Summary.php on line 43