A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: hooks/LanguageLoader.php

Line Number: 15

Backtrace:

File: /usr/share/nginx/html/application/hooks/LanguageLoader.php
Line: 15
Function: _error_handler

File: /usr/share/nginx/html/index.php
Line: 286
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /usr/share/nginx/html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /usr/share/nginx/html/application/hooks/LanguageLoader.php
Line: 15
Function: redirect

File: /usr/share/nginx/html/index.php
Line: 286
Function: require_once