Fatal error: Uncaught Error: Interface 'Magento\Framework\Config\SchemaLocatorInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/App/Config/Initial/SchemaLocator.php:12 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/App/Config/Initial/SchemaLocator.php on line 12