Fatal error: Uncaught Error: Class "Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection" not found in /home/www/staging1.gamanorteweb.com/app/code/Sm/MegaMenu/Model/ResourceModel/MenuGroup/Collection.php:13 Stack trace: #0 {main} thrown in /home/www/staging1.gamanorteweb.com/app/code/Sm/MegaMenu/Model/ResourceModel/MenuGroup/Collection.php on line 13