A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: models/Cart_model.php

Line Number: 116

Backtrace:

File: /home/reducer1/public_html/application/models/Cart_model.php
Line: 116
Function: _error_handler

File: /home/reducer1/public_html/application/controllers/Cart.php
Line: 32
Function: addcart

File: /home/reducer1/public_html/index.php
Line: 163
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: models/Cart_model.php

Line Number: 122

Backtrace:

File: /home/reducer1/public_html/application/models/Cart_model.php
Line: 122
Function: _error_handler

File: /home/reducer1/public_html/application/controllers/Cart.php
Line: 32
Function: addcart

File: /home/reducer1/public_html/index.php
Line: 163
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/reducer1/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/reducer1/public_html/application/controllers/Cart.php
Line: 34
Function: redirect

File: /home/reducer1/public_html/index.php
Line: 163
Function: require_once