Fatal error: Uncaught Error: Call to undefined function Symfony\Component\EventDispatcher\trigger_deprecation() in C:\xampp\htdocs\admin\vendor\symfony\event-dispatcher\LegacyEventDispatcherProxy.php:16
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\admin\vendor\symfony\event-dispatcher\LegacyEventDispatcherProxy.php on line 16