Please Fix It

<?php

declare(strict_types = 1);

namespace BlockHorizons\Fireworks\entity;

use BlockHorizons\Fireworks\item\Fireworks;

use pocketmine\entity\Entity;
use pocketmine\level\Level;
use pocketmine\nbt\tag\CompoundTag;
use pocketmine\network\mcpe\protocol\EntityEventPacket;
use pocketmine\network\mcpe\protocol\LevelSoundEventPacket;

class FireworksRocket extends Entity {

public const NETWORK_ID = Entity::FIREWORKS_ROCKET;

public const DATA_FIREWORK_ITEM = 16; //firework item

public $width = 0.25;
public $height = 0.25;

/** @var int */
protected $lifeTime = 0;

public function __construct(Level $level, CompoundTag $nbt, ?Fireworks $fireworks = null){
parent::__construct($level, $nbt);

if($fireworks !== null && $fireworks->getNamedTagEntry("Fireworks") instanceof CompoundTag) {
$this->propertyManager->setItem(self:ATA_FIREWORK_ITEM, $fireworks);
$this->setLifeTime($fireworks->getRandomizedFlightDuration());
}

$level->broadcastLevelSoundEvent($this, LevelSoundEventPacket::SOUND_LAUNCH);
}

protected function tryChangeMovement(): void {
$this->motion->x *= 1.15;
$this->motion->y += 0.04;
$this->motion->z *= 1.15;
}

public function entityBaseTick(int $tickDiff = 1): bool {
if($this->closed) {
return false;
}

$hasUpdate = parent::entityBaseTick($tickDiff);
if($this->doLifeTimeTick()) {
$hasUpdate = true;
}

return $hasUpdate;
}

public function setLifeTime(int $life): void {
$this->lifeTime = $life;
}

protected function doLifeTimeTick(): bool {
if(!$this->isFlaggedForDespawn() and --$this->lifeTime < 0) {
$this->doExplosionAnimation();
$this->flagForDespawn();
return true;
}

return false;
}

protected function doExplosionAnimation(): void {
$fireworks = $this->propertyManager->getItem(self:ATA_FIREWORK_ITEM);
if($fireworks === null) {
return;
}

$fireworks_nbt = $fireworks->getNamedTag()->getCompoundTag("Fireworks");
if($fireworks_nbt === null) {
return;
}

$explosions = $fireworks_nbt->getListTag("Explosions");
if($explosions === null) {
return;
}

/** @var CompoundTag $explosion */
foreach($explosions->getAllValues() as $explosion) {
switch($explosion->getByte("FireworkType")) {
case Fireworks::TYPE_SMALL_SPHERE:
$this->level->broadcastLevelSoundEvent($this, LevelSoundEventPacket::SOUND_BLAST);
break;
case Fireworks::TYPE_HUGE_SPHERE:
$this->level->broadcastLevelSoundEvent($this, LevelSoundEventPacket::SOUND_LARGE_BLAST);
break;
case Fireworks::TYPE_STAR:
case Fireworks::TYPE_BURST:
case Fireworks::TYPE_CREEPER_HEAD:
$this->level->broadcastLevelSoundEvent($this, LevelSoundEventPacket::SOUND_TWINKLE);
break;
}
}

$this->broadcastEntityEvent(EntityEventPacket::FIREWORK_PARTICLES);
}
}

---------------------------------------------------------------
Fireworks plugin by BlockHorizons
In
Firework\src\firework\entity\FireworksRocket.php at line 72 is error'
$fireworks = $this->propertyManager->getItem(self:ATA_FIREWORK_ITEM);

Someone please help fix it
I cant fix alone

 

Which error?

 

In⬇️⬇️⬇️
Firework\src\firework\entity\FireworksRocket.php at line 72 is error'
This is The Problem ⬇️⬇️⬇️
$fireworks = $this->propertyManager->getItem(self:ATA_FIREWORK_ITEM);

 

Code:

$fireworks = $this->propertyManager->getCompoundTag(self::DATA_FIREWORK_ITEM);

Try this..

 

It Works Thank you

But The Firework And Particles Doesn't Appear