A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Language.php

Line Number: 18

Backtrace:

File: /home/rentalpr/public_html/app/controllers/Language.php
Line: 18
Function: _error_handler

File: /home/rentalpr/public_html/index.php
Line: 316
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/rentalpr/public_html/sys/core/Exceptions.php:271)

Filename: controllers/Language.php

Line Number: 21

Backtrace:

File: /home/rentalpr/public_html/app/controllers/Language.php
Line: 21
Function: header

File: /home/rentalpr/public_html/index.php
Line: 316
Function: require_once