Make sure date_create has default for Notification entity #472

src/Entity/Notification.php

@@ -5,6 +5,8 @@ namespace App\Entity;
 use Doctrine\ORM\Mapping as ORM;
 use Doctrine\Common\Collections\ArrayCollection;
 
+use DateTime;
+
 /**
  * @ORM\Entity
  * @ORM\Table(name="notification", indexes={@ORM\Index(columns={"user_id"})})
@@ -63,6 +65,7 @@ class Notification
 
     public function __construct()
     {
+        $this->date_create = new DateTime();
         $this->flag_read = false;
         $this->flag_fresh = true;
     }