A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Mycart.php

Line Number: 54

Backtrace:

File: /home/sanantal/public_html/holidays24/application/controllers/Mycart.php
Line: 54
Function: _error_handler

File: /home/sanantal/public_html/holidays24/application/controllers/Mycart.php
Line: 19
Function: validate_customer

File: /home/sanantal/public_html/holidays24/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/sanantal/public_html/holidays24/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/sanantal/public_html/holidays24/application/controllers/Mycart.php
Line: 56
Function: redirect

File: /home/sanantal/public_html/holidays24/application/controllers/Mycart.php
Line: 19
Function: validate_customer

File: /home/sanantal/public_html/holidays24/index.php
Line: 315
Function: require_once