A PHP Error was encountered

Severity: Notice

Message: Undefined index: category

Filename: controllers/ProductGroup.php

Line Number: 86

Backtrace:

File: /home/iopri/public_html/iopri.co.id/application/controllers/ProductGroup.php
Line: 86
Function: _error_handler

File: /home/iopri/public_html/iopri.co.id/index.php
Line: 317
Function: require_once

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