Fatal error: Uncaught Error: Class 'Symfony\Component\Runtime\GenericRuntime' not found in C:\Apache24\htdocs\test-project-sym\vendor\symfony\runtime\SymfonyRuntime.php:67 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\test-project-sym\vendor\symfony\runtime\SymfonyRuntime.php on line 67