erro no email do cadastro

app/Http/Controllers/Auth/RegisterController.php

@@ -137,8 +137,7 @@ class RegisterController extends Controller
 
             $user->proponentes()->save($proponente);
         }
-
-
+        
         return $user;
     }
 

app/Notifications/VerifyNotification.php

@@ -45,10 +45,9 @@ class VerifyNotification extends Notification
      */
     public function toMail($notifiable)
     {
-        $user = Auth::user();
         return (new MailMessage)
                     ->subject('Verifique seu e-mail')
-                    ->greeting("Olá, {$user->name}!")
+                    ->greeting("Olá, {$notifiable->name}!")
                     ->action(
                         'Verifique seu E-mail',
                         $this->verificationUrl($notifiable)