A PHP Error was encountered

Severity: Notice

Message: Undefined offset: 4

Filename: controllers/Guestbook.php

Line Number: 35

Backtrace:

File: /mainData/webapps/apps/guestbook/fli_application/controllers/Guestbook.php
Line: 35
Function: _error_handler

File: /mainData/webapps/apps/guestbook/index.php
Line: 344
Function: require_once