Fatal error: Uncaught Error: Interface "Symfony\Component\Runtime\RunnerInterface" not found in /home/marcgron/www/SSA/v2/vendor/symfony/runtime/Runner/FrankenPhpWorkerRunner.php:24 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/runtime/Runner/FrankenPhpWorkerRunner.php on line 24