adding abstract

Controller/AbstractController.php

@@ -4,7 +4,7 @@ namespace Lc\SovBundle\Controller;
 
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController as SfAbstractController;
 
-class AbstractController extends SfAbstractController
+abstract class AbstractController extends SfAbstractController
 {
     use ControllerTrait;
 }