Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher" not found in C:\Apache24_x64\htdocs\vak_old\vendor\symfony\http-kernel\Debug\TraceableEventDispatcher.php:25 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\vak_old\vendor\symfony\http-kernel\Debug\TraceableEventDispatcher.php on line 25