An uncaught Exception was encountered

Type: ArgumentCountError

Message: Too few arguments to function IndexController::not_found(), 0 passed in /var/www/html/website/system/core/CodeIgniter.php on line 532 and exactly 1 expected

Filename: /var/www/html/website/application/controllers/IndexController.php

Line Number: 41

Backtrace:

File: /var/www/html/website/index.php
Line: 329
Function: require_once