Fatal error: Uncaught Error: Interface "Illuminate\Validation\PresenceVerifierInterface" not found in /opt/lampp/htdocs/forum/flarum/vendor/illuminate/validation/DatabasePresenceVerifierInterface.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/illuminate/validation/DatabasePresenceVerifierInterface.php on line 5