Fatal error: Uncaught Error: Class "Symfony\Component\Workflow\Workflow" not found in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/workflow/StateMachine.php:21 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/vendor/symfony/workflow/StateMachine.php on line 21