Fatal error: Uncaught Error: Class 'Twig\Template' not found in E:\xampp\htdocs\www\key\vendor\symfony\var-dumper\Tests\Fixtures\Twig.php:4 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key\vendor\symfony\var-dumper\Tests\Fixtures\Twig.php on line 4