Fatal error: Uncaught RuntimeException: Can't create directory /var/www/public_html/virtualmartja-magento/generated/code/Magento/Catalog/Model/ResourceModel/Product/. in [Magento\Catalog\Model\ResourceModel\Product\CollectionFactory] in /var/www/public_html/virtualmartja-magento/vendor/magento/framework/Code/Generator.php:115 Stack trace: #0 /var/www/public_html/virtualmartja-magento/vendor/magento/framework/Code/Generator/Autoloader.php(35): Magento\Framework\Code\Generator->generateClass('Magento\\Catalog...') #1 [internal function]: Magento\Framework\Code\Generator\Autoloader->load('Magento\\Catalog...') #2 [internal function]: spl_autoload_call('Magento\\Catalog...') #3 /var/www/public_html/virtualmartja-magento/vendor/magento/framework/ObjectManager/Relations/Runtime.php(38): class_exists('Magento\\Catalog...') #4 /var/www/public_html/virtualmartja-magento/vendor/magento/framework/Interception/Config/Config.php(166): Magento\Framework\ObjectManager\Relations\Runtime->has('Magento\\Catalog...') #5 /var/www/public_html in /var/www/public_html/virtualmartja-magento/vendor/magento/framework/Code/Generator.php on line 115