Newsletter-Only Subscriptions for v1.3x

[Fuzztrip]

157c
fuzztrip.com

Hi, I'm trying to install this on version 157c. I get blank category and product pages. This is the error message I get.

[05-Jul-2021 16:48:26 UTC] Request URI: /lp-c-1/mos-generator-diaul-split-vinyl-lp-white-p-143.html, IP address: 173.76.37.155
#1 require() called at [/includes/modules/sideboxes/responsive0clone/subscribe_header.php:20]
#2 include(/includes/modules/sideboxes/responsive0clone/subscribe_header.php) called at [/includes/modules/column_left.php:24]
#3 require(/includes/modules/column_left.php) called at [/includes/templates/responsive0clone/common/tpl_main_page.php:151]
#4 require(/includes/templates/responsive0clone/common/tpl_main_page.php) called at [/index.php:94]
--> PHP Warning: require(includes/templates/template_default/templates/tpl_subscribe_header.php): failed to open stream: No such file or directory in /includes/modules/sideboxes/responsive0clone/subscribe_header.php on line 20.

This is subscribe_header.php

<?php
/**
 * subscribe_header - this is a subscribe field that appears in the navigation header
 * This uses the same base template as the subscribe sidebox.
 *
 * @package templateSystem
 * @copyright Copyright 2003-2005 Zen Cart Development Team
 * @copyright Portions Copyright 2003 osCommerce
 * @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
 * @version $Id: subscribe_header.php,v 1.1 2006/06/16 01:46:15 Owner Exp $
 */

   if(defined('NEWSONLY_SUBSCRIPTION_ENABLED') &&
      (NEWSONLY_SUBSCRIPTION_ENABLED=='on')) {
    $show_subscribe_header= true;
  }

  if ($show_subscribe_header == true) {
    $subscribe_text = HEADER_SUBSCRIBE_LABEL;
    require($template->get_template_dir('tpl_subscribe_header.php',DIR_WS_TEMPLATE, $current_page_base,'templates'). '/tpl_subscribe_header.php');

    $title = '';
    $title_link = false;
    require($template->get_template_dir('tpl_box_header.php',DIR_WS_TEMPLATE, $current_page_base,'common'). '/tpl_box_header.php');
  }
?>

Line 20

require($template->get_template_dir('tpl_subscribe_header.php',DIR_WS_TEMPLATE, $current_page_base,'templates'). '/tpl_subscribe_header.php'); 

Thanks!