When try run command in terminal example
php bin setup:upgrade
show like these error messages. Not only that but also all commands
-[ReflectionException] Class Magento\Config\Console\Command\ConfigSet\ProcessorFacadeFactory does not exist. - [ReflectionException] Class Magento\Config\Console\Command\ConfigSet\ProcessorFacadeFactory does not exist. - [RuntimeException] Can't create directory /var/www/html/robolk/generated/code/Magento/Config/Console/Command/ConfigSet/. in [Magento\Config\Console\Command\ConfigSet\ProcessorFacadeFactory].
Why is Magento showing these errors?