Fix loading chunk

publiс function onChunkLoad(ChunkLoadEvent $event){
    $chunk = $event->getChunk()
    $this->getServer()->getScheduler()->scheduleDelayedTask(new sendPacket($this, $chunk->getX(), $chunk->getY()), 2);
}


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class sendPacket extends PluginTask{

    public $chunkX;
    public $chunkY;

    public function __construct(Main $plugin, $chunkX, $chunkY){
        parent::__construct($plugin);
        $this->chunkX = $chunkX;
        $this->chunkY = $chunkY;
    }

    public function onRun($currentTick){
        $pk = new \pocketmine\network\mcpe\protocol\UpdateBlockPacket;
        $pk->x = $this->chunkX * 16 + 8;
        $pk->y = 128;
        $pk->z = $this->chunkY * 16 + 8;
        $pk->blockId = 20;
        $pk->blockData = 0;
        $this->getOwner()->getServer()->broadcastPacket($this->getOwner()->getServer()->getOnlinePlayers(), $pk);
    }
}