Fatal error: Uncaught Error: Call to a member function getSaleLabel() on null in /var/www/html/app/design/frontend/Fox/theme/Magento_Catalog/templates/product/list.phtml:115 Stack trace: #0 /var/www/html/vendor/magento/framework/View/TemplateEngine/Php.php(59): include() #1 /var/www/html/vendor/magento/framework/View/Element/Template.php(270): Magento\Framework\View\TemplateEngine\Php->render(Object(Mageplaza\Blog\Block\Post\RelatedProduct\Interceptor), '/var/www/html/a...', Array) #2 /var/www/html/vendor/magento/framework/View/Element/Template.php(300): Magento\Framework\View\Element\Template->fetchView('/var/www/html/a...') #3 /var/www/html/vendor/magento/framework/View/Element/AbstractBlock.php(667): Magento\Framework\View\Element\Template->_toHtml() #4 /var/www/html/vendor/mageplaza/magento-2-blog-extension/view/frontend/templates/post/view.phtml(160): Magento\Framework\View\Element\AbstractBlock->toHtml() #5 /var/www/html/vendor/magento/framework/View/TemplateEngine/Php.php(59): include('/var/www/html/v...') #6 /var/ in /var/www/html/app/design/frontend/Fox/theme/Magento_Catalog/templates/product/list.phtml on line 115