Fatal error: Uncaught Error: Class 'Symfony\Component\Config\Definition\ArrayNode' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\config\Tests\Fixtures\BarNode.php:16 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\config\Tests\Fixtures\BarNode.php on line 16