Fatal error: Uncaught Magento\Framework\Exception\FileSystemException: The file "/var/www/html/DEV/generated/code/Magento/Authorization/Model/ResourceModel/Rules/CollectionFactory.php" cannot be deleted Warning!unlink(/var/www/html/DEV/generated/code/Magento/Authorization/Model/ResourceModel/Rules/CollectionFactory.php): Permission denied in /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php:382 Stack trace: #0 /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php(405): Magento\Framework\Filesystem\Driver\File->deleteFile('/var/www/html/D...') #1 /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php(403): Magento\Framework\Filesystem\Driver\File->deleteDirectory('/var/www/html/D...') #2 /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php(403): Magento\Framework\Filesystem\Driver\File->deleteDirectory('/var/www/html/D...') #3 /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php(403): Magento\Framework\Filesystem\Driver\File->deleteDirecto in /var/www/html/DEV/vendor/magento/framework/Filesystem/Driver/File.php on line 382