Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\EventDispatcherInterface" not found in /usr/home/wdzaizai2/domains/tc.wdz.ddns-ip.net/public_html/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/wdzaizai2/domains/tc.wdz.ddns-ip.net/public_html/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php on line 19