A PHP Error was encountered

Severity: Notice

Message: Undefined index: s

Filename: controllers/home.php

Line Number: 786

Backtrace:

File: D:\wwwroot\sz37\wwwroot\application\controllers\home.php
Line: 786
Function: _error_handler

File: D:\wwwroot\sz37\wwwroot\index.php
Line: 315
Function: require_once