Fatal error: Uncaught Error: Class 'Symfony\Component\Process\Exception\RuntimeException' not found in /home/clienti2020/public_html/novaballet.it/vendor/symfony/process/Exception/ProcessFailedException.php:21 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/symfony/process/Exception/ProcessFailedException.php on line 21