Fatal error: Uncaught Error: Interface 'Magento\Framework\Notification\MessageInterface' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-indexer/Model/Message/Invalid.php:12 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-indexer/Model/Message/Invalid.php on line 12