J4 - Error storing article to database from Table::getInstance

[David2376]

I am trying to migrate some code from an earlier version of Joomla and having some major problems.

use Joomla\CMS\Factory;

use Joomla\CMS\Table\Table;

$table = Table::getInstance('Content', 'Table');

$data = array();

$data['title'] = $title;

$data['alias'] = $title_alias;

$data['introtext'] = $overview;

$data['state'] = $is_published;

$data['catid'] = $category_id;

$data['created'] = $release_date;

$data['created_by'] = $created_by;

$data['modified'] = $publish_up;

$data['modified_by'] = $created_by;

$data['publish_up'] = $publish_up;

$data['language'] = $language;

$data['metadesc'] = $overview_meta;

$table->bind($data);

if ($table->check()) {

    $table->store();

    echo "success";

} else {

echo "error";

}

I receive the following error:

Call to a member function bind()

I had this working in Joomla 3.x and have been racking my brain for hours trying to figure this out! Any help would be greatly appreciated.

[Hannes Papenberg]

Your call to Table::getinstance() does not return an object. The parameters seem to be wrong.

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[David2376]

I got it working....with one MAJOR problem!

Articles are being saved to the database but they are not showing up in the admin backend! 

I am now using:

$table = Table::getInstance('Content', 'JTable');

What would cause the articles not to show up in the backend???