A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type bool

Filename: drivers/Cache_file.php

Line Number: 277

Backtrace:

File: /var/www/html/application/libraries/Board.php
Line: 839
Function: get

File: /var/www/html/views/_layout/bootstrap/box/latest.php
Line: 114
Function: latest_comment

File: /var/www/html/views/_layout/bootstrap/sidebar.php
Line: 4
Function: view

File: /var/www/html/views/_layout/bootstrap/layout.php
Line: 312
Function: view

File: /var/www/html/application/core/CB_Controller.php
Line: 168
Function: view

File: /var/www/html/application/core/CB_Controller.php
Line: 118
Function: _load_view

File: /var/www/html/index.php
Line: 367
Function: require_once