Solved help error transfer packet!!

error:

Code:

[21:21:38] [Server thread/CRITICAL]: Could not pass event 'pocketmine\event\server\DataPacketReceiveEvent' to 'FormAPI v1.0.0': Creating default object from empty value on jojoe77777\FormAPI\FormAPI
[21:21:38] [Server thread/CRITICAL]: ErrorException: "Creating default object from empty value" (EXCEPTION) in "hcf/src/hcf/Task2" at line 44

code Task2:

PHP:

 $form = $api->createSimpleForm(function (Player $player, array $args) {
            $result = $args[0];
            if ($result === null) {
                return;
            }
            switch ($result) {
                case 0:
                $pk = new TransferPacket();
$pk->address = "ip adresst"; 
$pk->port = 19132; 
$player->dataPacket($pk);
            }
        });

 

PHP:

$pk = new TransferPacket();