Help scheduler :/

error in task help code...

$player->getScheduler()->scheduleRepeatingTask($this, 2);

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class BlockReplaceTask extends Task {

/** @var Block $block */
private $block;

/** @var Player $player */
private $player;

/** @var Plugin $plugin */
private $plugin;

/**
* @param Block $block
* @param Player $player
*/
public function __construct(Block $block, Player $player) {
$player->getScheduler()->scheduleRepeatingTask($this, 2);
$this->block = $block;
$this->player = $player;
}

/**
* Actions to execute when run
*
* @param int $currentTick
*
* @return void
*/
public function onRun(int $currentTick) {
$this->block->getLevel()->sendBlocks([$this->player], [$this->block]);
unset($this->player, $this->block);
}
}

 

exe

public function sendRealBlock(Player $player) {
$block = $this->getReplacementBlock();
if($block instanceof Block) {
new BlockReplaceTask($block, $player);
}
}