创建模型时Magento 2 - 503（服务不可用）

I followed the instructions from the Accepted Answer of this question to create a model and model resource file.

Company/Project/Model/Album.php

<?php

namespace Company\Project\Model;

class Album extends \Magento\Framework\Model\AbstractModel {

    public function __construct(
    \Magento\Framework\Model\Context $context,
    \Magento\Framework\Registry $registry,
    \Psr\Log\LoggerInterface $logger,
    \Magento\Framework\Model\Resource\AbstractResource $resource = null,
    \Magento\Framework\Data\Collection\AbstractDb $resourceCollection = null,
    array $data = []
    ) {
       $this->_logger = $logger;
       $this->_logger->addInfo("SO WE CAN ACTUALLY GET INTO THE MODEL FILE");
       parent::__construct($context, $registry, $resource, $resourceCollection, $data);
    }

  public function _construct() {
    $this->_init('Company\Project\Model\Resource\Album');
  }
}

Company/Project/Model/Resource/Album.php

<?php

namespace Company\Project\Model\Resource;

class Album extends \Magento\Framework\Model\Resource\Db\AbstractDb {
    public function _construct() {
    $this->_init('px_product_albums', 'id');
    }
}

Company/Project/Helper/Data.php - This is where I'm getting the error

<?php

class Data extend \Magento\Framework\App\Helper\AbstractHelper {
    .....
    protected $pageFactory;

    public function __construct(
      ....
      \Magento\Cms\Model\PageFactory $pageFactory
    )
    ......

    function whereStuffIsHappening() {
    .....
      $albumId = WeHaveTheValue;
      $productId = WeHaveThisValueToo;
      $album = $this->pageFactory->create('Company\Project\Model\Album');
      $this->_logger->addInfo("Album code is alright");
      $album->setProductId($product->getId())->setPixleeAlbumId($albumId);
      $album->save();
      $this->_logger->addInfo("ALBUM ID SUCCESSFULLY SAVED");

It seems like the following line doesn't execute. I get a 503 (Service Unavailable).

$album = $this->pageFactory->create('Company\Project\Model\Album');

Some of the things that I have tried

• Flushing both Magento cache and cache storage
• I'm not developing on localhost. It's a magento.dev domain.
• Tried using objectManager directly, instead of pageFactory. I read that using objectManager is a bad practice in Magento 2

The strange thing is that I never see "SO WE CAN ACTUALLY GET INTO THE MODEL FILE" logged (Its a print statement in the Model file). Which leads me to think that the model is not being initiated. But I could be wrong.

Help?