An uncaught Exception was encountered

Type: TypeError

Message: call_user_func_array(): Argument #1 ($callback) must be a valid callback, class Error does not have a method "index"

Filename: /var/www/vhosts/doodleflick.co.uk/site/system/core/CodeIgniter.php

Line Number: 532

Backtrace:

File: /var/www/vhosts/doodleflick.co.uk/site/www/index.php
Line: 318
Function: require_once