Remove bad line

src/Controller/ConferenceController.php

@@ -37,7 +37,7 @@ class ConferenceController extends AbstractController
         $form->handleRequest($request);
         if($form->isSubmitted() && $form->isValid()) {
             $comment->setConference($conference);
-            dump($comment);
+            
             $this->entityManager->persist($comment);
             $this->entityManager->flush();