A PHP Error was encountered

Severity: Warning

Message: Undefined variable $main_slider

Filename: _blocks/navigation.php

Line Number: 33

Backtrace:

File: /home/greenlink/public_html/application/views/site/_blocks/navigation.php
Line: 33
Function: _error_handler

File: /home/greenlink/public_html/application/controllers/News.php
Line: 62
Function: view

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