A PHP Error was encountered

Severity: Warning

Message: Undefined array key "HTTP_REFERER"

Filename: controllers/Naudotojai.php

Line Number: 920

Backtrace:

File: /var/www/html/application/controllers/Naudotojai.php
Line: 920
Function: _error_handler

File: /var/www/html/index.php
Line: 341
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/html/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /var/www/html/application/controllers/Naudotojai.php
Line: 920
Function: redirect

File: /var/www/html/index.php
Line: 341
Function: require_once