Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Kernel\AbstractKernel" not found in /home/baumberg/javapax-OLD-backup-20260603-222425/vendor/symfony/http-kernel/Kernel.php:33 Stack trace: #0 {main} thrown in /home/baumberg/javapax-OLD-backup-20260603-222425/vendor/symfony/http-kernel/Kernel.php on line 33