Fatal error: Uncaught Error: Call to a member function getFrontend() on bool in /home/u231136925/domains/mymicrolab.com/public_html/app/design/frontend/sinrato/sinrato_default/Magento_Catalog/templates/product/view/type/default.phtml:63 Stack trace: #0 /home/u231136925/domains/mymicrolab.com/public_html/lib/internal/Magento/Framework/View/TemplateEngine/Php.php(59): include() #1 /home/u231136925/domains/mymicrolab.com/public_html/lib/internal/Magento/Framework/View/Element/Template.php(271): Magento\Framework\View\TemplateEngine\Php->render(Object(Magento\ConfigurableProduct\Block\Product\View\Type\Configurable\Interceptor), '/home/u23113692...', Array) #2 /home/u231136925/domains/mymicrolab.com/public_html/generated/code/Magento/ConfigurableProduct/Block/Product/View/Type/Configurable/Interceptor.php(505): Magento\Framework\View\Element\Template->fetchView('/home/u23113692...') #3 /home/u231136925/domains/mymicrolab.com/public_html/lib/internal/Magento/Framework/View/Element/Template.php(301): Magento\ConfigurableProduct in /home/u231136925/domains/mymicrolab.com/public_html/app/design/frontend/sinrato/sinrato_default/Magento_Catalog/templates/product/view/type/default.phtml on line 63