A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: front/cart.php

Line Number: 126

Backtrace:

File: /home/u568899387/domains/jakubs-plants.com/public_html/application/views/front/cart.php
Line: 126
Function: _error_handler

File: /home/u568899387/domains/jakubs-plants.com/public_html/application/controllers/Cart.php
Line: 144
Function: view

File: /home/u568899387/domains/jakubs-plants.com/public_html/index.php
Line: 319
Function: require_once