A PHP Error was encountered

Severity: Notice

Message: Undefined variable: product_groupv

Filename: template/header.php

Line Number: 190

Backtrace:

File: /home4/gheymate/domains/gheymate-tasisat.ir/public_html/application/views/template/header.php
Line: 190
Function: _error_handler

File: /home4/gheymate/domains/gheymate-tasisat.ir/public_html/application/views/template/template.php
Line: 1
Function: view

File: /home4/gheymate/domains/gheymate-tasisat.ir/public_html/application/core/MY_Main.php
Line: 84
Function: view

File: /home4/gheymate/domains/gheymate-tasisat.ir/public_html/application/controllers/Main.php
Line: 16
Function: render_viwe

File: /home4/gheymate/domains/gheymate-tasisat.ir/public_html/index.php
Line: 292
Function: require_once