A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Main.php

Line Number: 26

Backtrace:

File: /home/dklimchuk/data/www/witpharma.com/application/controllers/Main.php
Line: 26
Function: _error_handler

File: /home/dklimchuk/data/www/witpharma.com/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/dklimchuk/data/www/witpharma.com/system/core/Exceptions.php:272)

Filename: controllers/Main.php

Line Number: 26

Backtrace:

File: /home/dklimchuk/data/www/witpharma.com/application/controllers/Main.php
Line: 26
Function: header

File: /home/dklimchuk/data/www/witpharma.com/index.php
Line: 292
Function: require_once