A PHP Error was encountered

Severity: Notice

Message: Undefined variable: base_url

Filename: views/private.php

Line Number: 3

Backtrace:

File: /var/www/html/KOL/voice/application/views/private.php
Line: 3
Function: _error_handler

File: /var/www/html/KOL/voice/application/controllers/Pages.php
Line: 1439
Function: view

File: /var/www/html/KOL/voice/public/index.php
Line: 318
Function: require_once