Fatal error: Uncaught Error: Class 'Magento\Checkout\Block\Total\DefaultTotal' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-tax/Block/Checkout/Shipping.php:13 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-tax/Block/Checkout/Shipping.php on line 13