Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\EventListener\FragmentListener.php:34
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\admin\vendor\symfony\http-kernel\EventListener\FragmentListener.php on line 34