Fatal error: Uncaught Error: Class "Magento\Framework\App\ResourceConnection" not found in /var/www/magento/html/generated/code/Magento/Framework/App/ResourceConnection/Proxy.php:7
Stack trace:
#0 {main}
thrown in /var/www/magento/html/generated/code/Magento/Framework/App/ResourceConnection/Proxy.php on line 7