Fatal error: Uncaught Error: Class 'Magento\Framework\Model\AbstractModel' not found in /home/esecureh/public_html/magdemo/vendor/magento/module-widget/Model/Layout/Update.php:22 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/module-widget/Model/Layout/Update.php on line 22