A PHP Error was encountered

Severity: Notice

Message: Undefined index: unique

Filename: controllers/vehicle.php

Line Number: 161

Backtrace:

File: C:\dataweb\www\shenton_live_2\application\controllers\vehicle.php
Line: 161
Function: _error_handler

File: C:\dataweb\www\shenton_live_2\index.php
Line: 315
Function: require_once