View file phpBB3/vendor/twig/twig/lib/Twig/Error/Loader.php

<?php

use Twig\Error\LoaderError;

class_exists('Twig\Error\LoaderError');

@trigger_error('Using the "Twig_Error_Loader" class is deprecated since Twig version 2.7, use "Twig\Error\LoaderError" instead.', \E_USER_DEPRECATED);

if (false) {
    /** @deprecated since Twig 2.7, use "Twig\Error\LoaderError" instead */
    class Twig_Error_Loader extends LoaderError
    {
    }
}