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