Fatal error: Uncaught Error: Class 'Magento\Framework\Url' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/Model/Url.php:20 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/Model/Url.php on line 20