A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'category_name' of non-object

Filename: sector/sector_category.php

Line Number: 28

Backtrace:

File: /home/tms.com.np/public_html/application/views/sector/sector_category.php
Line: 28
Function: _error_handler

File: /home/tms.com.np/public_html/application/controllers/Sector.php
Line: 69
Function: view

File: /home/tms.com.np/public_html/index.php
Line: 315
Function: require_once