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