Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Kernel" not found in /home/www/aes-demo/api-8.0.0#316/vendor/docapost/vis/src/Kernel.php:12 Stack trace: #0 {main} thrown in /home/www/aes-demo/api-8.0.0#316/vendor/docapost/vis/src/Kernel.php on line 12