Fatal error: Declaration of Magento\Config\Console\Command\ConfigShowCommand::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output) must be compatible with Symfony\Component\Console\Command\Command::execute(Symfony\Component\Console\Input\InputInterface $input, Symfony\Component\Console\Output\OutputInterface $output): int in /home/valina/staging/vendor/magento/module-config/Console/Command/ConfigShowCommand.php on line 173