try to get it compile

admin/src/Controller/DisplayController.php

@@ -17,4 +17,14 @@ use Joomla\CMS\MVC\Controller\BaseController;
 class DisplayController extends BaseController
 {
 	protected $default_view = 'parts';
+
+	public function display($cachable = false, $urlparams = [])
+	{
+		$view	= $this->input->get('view', $this->default_view);
+		$layout	= $this->input->get('layout', 'default');
+		$id		= $this->input->getInt('id');
+
+		return parent::display();
+	}
+
 }