erro xampp

Xampp Erro:

Fatal error: Uncaught ArgumentCountError: Too few arguments to function Website::getVocationName(), 1 passed in C:\xampp\htdocs\pages\characters.php on line 45 and exactly 2 expected in C:\xampp\htdocs\classes\website.php:168 Stack trace: #0 C:\xampp\htdocs\pages\characters.php(45): Website::getVocationName('500') #1 C:\xampp\htdocs\system\load.page.php(7): include('C:\\xampp\\htdocs...') #2 C:\xampp\htdocs\index.php(37): include_once('C:\\xampp\\htdocs...') #3 {main} thrown in C:\xampp\htdocs\classes\website.php on line 168

Ajuda euu :
WebSite.php
https://pastebin.com/njstk3nN
characters.php
https://pastebin.com/n3X8SZ0u
load.page.php

<?php
if(!defined('INITIALIZED'))
    exit;

ob_start();
$main_content = '';
include("pages/" . $subtopic . ".php");
$main_content .= ob_get_clean();

Quem Poder Ajudar VLWWW