Fatal error: Uncaught Error: Interface "Psr\Http\Server\RequestHandlerInterface" not found in /home/magjistraturaedu/public_html/forum.magjistratura.edu.al/vendor/flarum/core/src/Forum/Controller/RegisterController.php:20 Stack trace: #0 {main} thrown in /home/magjistraturaedu/public_html/forum.magjistratura.edu.al/vendor/flarum/core/src/Forum/Controller/RegisterController.php on line 20