Edit File: TokenStream.php
<?php use Twig\TokenStream; class_exists('Twig\TokenStream'); @trigger_error(sprintf('Using the "Twig_TokenStream" class is deprecated since Twig version 2.7, use "Twig\TokenStream" instead.'), E_USER_DEPRECATED); if (\false) { /** @deprecated since Twig 2.7, use "Twig\TokenStream" instead */ class Twig_TokenStream extends TokenStream { } }