After updateing to CMS 9.1.3, we get the following error:
/concrete/src/Page/Controller/DashboardPageController.php
{
return 'dashboard/navigation/breadcrumb';
}

/**
* {@inheritdoc}
*
* @see \Concrete\Core\Controller\AbstractController::on_before_render()
*/
public function on_before_render()
{
$pageTitle = $this->get('pageTitle');
if (!$pageTitle) {
$this->set('pageTitle', t($this->c->getCollectionName()));
}
$breadcrumb = $this->getBreadcrumb();
if (!$breadcrumb) {
$breadcrumb = $this->createBreadcrumb();
}
$_breadcrumb = $this->elementManager->get($this->getBreadcrumbElement(), [
'breadcrumb' => $breadcrumb
]);

$dbConfig = $this->app->make('config/database');
$this->set('showPrivacyPolicyNotice', !$dbConfig->get('app.privacy_policy_accepted'));
$this->set('token', $this->token);
$this->set('error', $this->error);
$this->set('_breadcrumb', $_breadcrumb);
}

/**
* Get the EntityManager instance (available after the on_start method has been called).
*
* @return \Doctrine\ORM\EntityManagerInterface|null
*/
public function getEntityManager()
{
return $this->entityManager;
}

Arguments
"Call to a member function get() on null"

Type:	Ticket
Status:	In Progress