A PHP Error was encountered

Severity: Notice

Message: Undefined variable: filter_value

Filename: models/Products_model.php

Line Number: 1536

Backtrace:

File: /home/ilab/euroterm.ilab.studio/application/models/Products_model.php
Line: 1536
Function: _error_handler

File: /home/ilab/euroterm.ilab.studio/application/controllers/frontend/Catalog.php
Line: 517
Function: get_products_for_catalog_pag

File: /home/ilab/euroterm.ilab.studio/application/controllers/frontend/Catalog.php
Line: 420
Function: products

File: /home/ilab/euroterm.ilab.studio/index.php
Line: 287
Function: require_once