What does Uncaught ReferenceError: jRS is not defined at HTMLAnchorElement.onclick mean?

Question

JavaScript

Hello.
I ask for help with javascript, I myself am a complete zero in this.
This is how it goes. There is a forum on phpBB, it's almost clean, it's on localhost for now (on OpenServer, to be precise).
download mod from offsite

spoiler

https ://www.phpbb.com/community/viewtopic.php?f=70&t=2147118

There are no problems with the installation, but when you click on "raise reputation" (or anywhere else related to the mod), the page returns to the beginning, in other words, to the top, and a jQuery pop-up window should be called. Accordingly, the mod does not work.
The console says

Uncaught TypeError: Cannot read property 'positive' of undefined
    at HTMLAnchorElement.onclick (VM1857 viewtopic.php?f=2&p=3:578)

All paths to js-files (and there are only 3 of them) are spelled out correctly, I checked it more than once.
I am attaching the archive with these three js

spoiler

http: //my-files.ru/Save/p3sr25/phpBB-Reputation-System-0.7.0.zip

Help, please, who can.

Answer 1

obsolete

spoiler

Вот часть кода, куда отсылает консоль (как я понял)

var jRS = {
  showhide: function(a) {
    $(a).parents('.post').toggleClass('hidden');
  },
  positive: function(a, b, c) {
    show_popup('positive', a, b, c);
  },
  negative: function(a, b, c) {
    show_popup('negative', a, b, c);
  },
  postdetails: function(a) {
    show_popup('postdetails', a);
  },
  userdetails: function(a, b) {
    show_popup('userdetails', a, b);
  },
  userrating: function(a, b) {
    show_popup('rateuser', a, b);
  },
  ratepost: function(id) {
    submit_action('post', id);
  },
  rateuser: function(id) {
    submit_action('user', id);
  },
  del: function(id, mode) {
    if(confirm(rsdelete))
    {
      submit_action('delete', id, mode);
    }
  },
  clear: function(id, mode, page) {
    switch(mode)
    {
      case 'post':
        confirm_clear = rsclearpost;
      break;
      case 'user':
        confirm_clear = rsclearuser;
      break;
    }
    if (confirm(confirm_clear))
    {
      submit_action('clear', id, mode, page);
    }
  },
  catchup: function() {
    submit_action('catchup');
  },
}

Подскажите, как его поправить

Problem solved , addedjQuery.noConflict();

Answer 2

This means that on click, the event handler, or the code it calls, tries to use the value of the "positeve" property, but that property has no value, hence the error;