A PHP Error was encountered

Severity: Notice

Message: Undefined index: class

Filename: helpers/image_helper.php

Line Number: 21

Backtrace:

File: /home/shuabe/public_html/horestco.com.my/app/helpers/image_helper.php
Line: 21
Function: _error_handler

File: /home/shuabe/public_html/horestco.com.my/app/modules/portfolio/views/category.php
Line: 100
Function: image_thumb

File: /home/shuabe/public_html/horestco.com.my/app/third_party/MX/Loader.php
Line: 351
Function: include

File: /home/shuabe/public_html/horestco.com.my/app/third_party/MX/Loader.php
Line: 294
Function: _ci_load

File: /home/shuabe/public_html/horestco.com.my/app/modules/portfolio/controllers/Portfolio.php
Line: 31
Function: view

File: /home/shuabe/public_html/horestco.com.my/index.php
Line: 550
Function: require_once