Fatal error: Uncaught Error: Class "Magento\Widget\Block\Adminhtml\Widget\Chooser" not found in /home/www/staging1.gamanorteweb.com/app/code/Sm/MegaMenu/Block/Adminhtml/Widget/Chooser.php:16 Stack trace: #0 {main} thrown in /home/www/staging1.gamanorteweb.com/app/code/Sm/MegaMenu/Block/Adminhtml/Widget/Chooser.php on line 16