Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\HttpKernelBrowser' not found in C:\Apache24\htdocs\cwbts\vendor\symfony\framework-bundle\KernelBrowser.php:31 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwbts\vendor\symfony\framework-bundle\KernelBrowser.php on line 31