Bitrix отдача 404.php при 404 ошибке.

init.php

//local/php_interface/init.php
AddEventHandler('main', 'OnEpilog', '_Check404Error', 1);
function _Check404Error(){
    if (defined('ERROR_404') && ERROR_404 == 'Y') {
        global $APPLICATION;
        $APPLICATION->RestartBuffer();
        include $_SERVER['DOCUMENT_ROOT'] . SITE_TEMPLATE_PATH . '/header.php';
        include $_SERVER['DOCUMENT_ROOT'] . '/404.php';
        include $_SERVER['DOCUMENT_ROOT'] . SITE_TEMPLATE_PATH . '/footer.php';
    }
}