A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: models/Webshopquery.php

Line Number: 23

Backtrace:

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/application/models/Webshopquery.php
Line: 23
Function: _error_handler

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/application/views/template/categorys.php
Line: 16
Function: getcategory

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/application/views/webshop.php
Line: 6
Function: view

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/application/views/frame.php
Line: 57
Function: view

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/application/controllers/Webshop.php
Line: 29
Function: view

File: /home/-www/expolygon.hu/htdocs/expolygon_hu/index.php
Line: 292
Function: require_once