Fatal error: Uncaught Error: Class 'Magento\Framework\View\Element\Template' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-layered-navigation/Block/Navigation.php:18 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-layered-navigation/Block/Navigation.php on line 18