Fatal error: Uncaught Error: Interface 'Magento\Framework\Notification\NotifierInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/Notification/NotifierPool.php:14 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/Notification/NotifierPool.php on line 14