A PHP Error was encountered

Severity: Notice

Message: Undefined index: orderby

Filename: filter/index.php

Line Number: 177

Backtrace:

File: /home/ozabook/public_html/application/views/newfront/filter/index.php
Line: 177
Function: _error_handler

File: /home/ozabook/public_html/application/views/newfront/templete.php
Line: 6
Function: view

File: /home/ozabook/public_html/application/controllers/Filter.php
Line: 85
Function: view

File: /home/ozabook/public_html/index.php
Line: 315
Function: require_once