A PHP Error was encountered

Severity: Warning

Message: call_user_func_array() expects parameter 1 to be a valid callback, class 'Page' does not have a method 'page_not_found_404'

Filename: core/CodeIgniter.php

Line Number: 514

Backtrace:

File: /home/dentistwebsitesc/public_html/fulhamdentalcare.co.uk/index.php
Line: 316
Function: require_once