Fatal error: Uncaught Error: Interface 'Symfony\Component\Console\Output\OutputInterface' not found in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/composer/symfony/console/Output/Output.php:30 Stack trace: #0 {main} thrown in /home/mattiapa/cloud2.mprnl.fr/owncloud/lib/composer/symfony/console/Output/Output.php on line 30