Исключение в Magento2 во время действия MassDelete

У меня есть исключение, когда я выбрал несколько записей в сетке и пытался удалить их. Вот это исключение:

1 исключение (я): Исключение № 0 (InvalidArgumentException):
Amiddio \ Новости \ Модель \ Новости не расширяются \ Magento \ Framework \ DataObject

Версия Magento 2.1.8

Приложение \ код \ Amiddio \ Новости \ вид \ adminhtml \ ui_component \ news_grid_listing.xml

<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="sticky" xsi:type="boolean">true</item>
</item>
</argument>
<massaction name="listing_massaction">
<action name="delete">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="type" xsi:type="string">delete</item>
<item name="label" xsi:type="string" translate="true">Delete</item>
<item name="url" xsi:type="url" path="news/actions/massDelete"/>
<item name="confirm" xsi:type="array">
<item name="title" xsi:type="string" translate="true">Delete items</item>
<item name="message" xsi:type="string" translate="true">Are you sure you want to delete selected items?</item>
</item>
</item>
</argument>
</action>
</massaction>

Приложение \ код \ Amiddio \ Новости \ и т.д. \ di.xml

<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
<type name="Magento\Framework\View\Element\UiComponent\DataProvider\CollectionFactory">
<arguments>
<argument name="collections" xsi:type="array">
<item name="news_grid_listing_data_source" xsi:type="string">Amiddio\News\Model\ResourceModel\News\Grid\Collection</item>
</argument>
</arguments>
</type>
</config>

Приложение \ код \ Amiddio \ Новости \ Model \ news.php

namespace Amiddio\News\Model;

use Magento\Framework\Model\AbstractModel;

class News extends AbstractModel
{

protected function _construct()
{
$this->_init('Amiddio\News\Model\ResourceModel\News');
}

}

Приложение \ код \ Amiddio \ Новости \ Model \ ResourceModel \ news.php

namespace Amiddio\News\Model\ResourceModel;

use Magento\Framework\Model\ResourceModel\Db\AbstractDb;

class News extends AbstractDb
{
protected function _construct()
{
$this->_init('amiddio_news', 'news_id');
}
}

Приложение \ код \ Amiddio \ Новости \ Model \ ResourceModel \ Новости \ Collection.php

namespace Amiddio\News\Model\ResourceModel\News;

class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
{

protected function _construct()
{
$this->_init(' Amiddio\News\Model\News', 'Amiddio\News\Model\ResourceModel\News');
}

}

Приложение \ код \ Amiddio \ Новости \ Model \ ResourceModel \ Новости \ Сетка \ Collection.php

namespace Amiddio\News\Model\ResourceModel\News\Grid;

use Amiddio\News\Model\ResourceModel\News\Collection as GridCollection;
use Magento\Framework\Search\AggregationInterface;
use Magento\Framework\Api\Search\SearchResultInterface;
use Magento\Framework\View\Element\UiComponent\DataProvider\Document;
use Amiddio\News\Model\ResourceModel\News;
use Magento\Framework\Api\SearchCriteriaInterface;

class Collection extends GridCollection implements SearchResultInterface
{
protected $aggregations;

protected function _construct()
{
$this->_init(Document::class, News::class);
}

public function getAggregations()
{
return $this->aggregations;
}

public function setAggregations($aggregations)
{
$this->aggregations = $aggregations;
}

public function getAllIds($limit = null, $offset = null)
{
return $this->getConnection()->fetchCol($this->_getAllIdsSelect($limit, $offset), $this->_bindParams);
}

public function getSearchCriteria()
{
return null;
}

public function setSearchCriteria(SearchCriteriaInterface $searchCriteria = null)
{
return $this;
}

public function getTotalCount()
{
return $this->getSize();
}

public function setTotalCount($totalCount)
{
return $this;
}

public function setItems(array $items = null)
{
return $this;
}
}

Приложение \ код \ Amiddio \ Новости \ Controller \ Adminhtml \ Действия \ MassDelete.php

namespace Amiddio\News\Controller\Adminhtml\Actions;

use Magento\Framework\Controller\ResultFactory;
use Magento\Backend\App\Action\Context;
use Magento\Ui\Component\MassAction\Filter;
use Amiddio\News\Model\ResourceModel\News\CollectionFactory;

/**
* Class MassDelete
*/
class MassDelete extends \Magento\Backend\App\Action
{
/**
* @var Filter
*/
protected $filter;

/**
* @var CollectionFactory
*/
protected $collectionFactory;

/**
* @param Context $context
* @param Filter $filter
* @param CollectionFactory $collectionFactory
*/
public function __construct(Context $context, Filter $filter, CollectionFactory $collectionFactory)
{
$this->filter = $filter;
$this->collectionFactory = $collectionFactory;

parent::__construct($context);
}

/**
* Execute action
*
* @return \Magento\Backend\Model\View\Result\Redirect
* @throws \Magento\Framework\Exception\LocalizedException|\Exception
*/
public function execute()
{
$collection = $this->filter->getCollection($this->collectionFactory->create());
$collectionSize = $collection->getSize();

foreach ($collection as $page) {
$page->delete();
}

$this->messageManager->addSuccess(__('A total of %1 record(s) have been deleted.', $collectionSize));

/** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
$resultRedirect = $this->resultFactory->create(ResultFactory::TYPE_REDIRECT);
return $resultRedirect->setPath('news/index/');
}
}

Я новичок в Magento 2, и я пытаюсь решить эту проблему уже несколько дней. Может быть, у кого-то была такая проблема, и он / она знает решение ?!

Большое спасибо за любую помощь!