Fatal error: Uncaught Error: Interface "Symfony\Component\CssSelector\Parser\Handler\HandlerInterface" not found in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\css-selector\Parser\Handler\HashHandler.php:30 Stack trace: #0 {main} thrown in C:\www\Apache24\htdocs\agenda-dif\vendor\symfony\css-selector\Parser\Handler\HashHandler.php on line 30