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