Fatal error: Uncaught Error: Interface 'Magento\Backend\App\ConfigInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/App/Config.php:17 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-backend/App/Config.php on line 17