Closed

Description
Symfony version(s) affected: 4.1.8
Description
Uncaught ErrorException when trying to output a simple template with encore installed
How to reproduce
composer require symfony/maker-bundle symfony/profiler-pack --dev
composer require annotations symfony/twig-bundle
php bin/console make:controller DefaultController
composer require encore
yarn install
yarn encore dev
<?php
namespace App\Controller;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Annotation\Route;
class DefaultController extends AbstractController
{
/**
* @Route("/", name="home_index")
*/
public function index()
{
return $this->render('default/index.html.twig');
}
}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{% block title %}Welcome!{% endblock %}</title>
{% block stylesheets %}
{{ encore_entry_link_tags('app') }}
{% endblock %}
</head>
<body>
{% block body %}{% endblock %}
{% block javascripts %}
{{ encore_entry_script_tags('app') }}
{% endblock %}
</body>
</html>
{% extends 'base.html.twig' %}
{% block body %}
home_index
{% endblock %}
Possible Solution
Additional context
[Tue Nov 27 10:03:01.327741 2018] [proxy_fcgi:error] [pid 950:tid 140692995176192] [client 127.0.0.1:48736] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught ErrorException: Notice: Undefined property: Symfony\\Component\\Stopwatch\\StopwatchPeriod::$isFinder in /home/u01/workspace/p003/vendor/symfony/debug/DebugClassLoader.php:138\nStack trace:
#0 [internal function]: Symfony\\Component\\Debug\\DebugClassLoader->loadClass('Symfony\\\\Compone...')
#1 /home/u01/workspace/p003/vendor/symfony/debug/ExceptionHandler.php(166): spl_autoload_call('Symfony\\\\Compone...')
#2 /home/u01/workspace/p003/vendor/symfony/debug/ExceptionHandler.php(122): Symfony\\Component\\Debug\\ExceptionHandler->sendPhpResponse(Object(ErrorException))
#3 /home/u01/workspace/p003/vendor/symfony/debug/ErrorHandler.php(556): Symfony\\Component\\Debug\\ExceptionHandler->handle(Object(ErrorException))
#4 [internal function]: Symfony\\Component\\Debug\\ErrorHandler->handleException(Object(ErrorException))
#5 {main}
thrown in /home/u01/workspace/p003/vendor/symfony/debug/DebugClassLoader.php on line 138