A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Catalogs.php

Line Number: 188

Backtrace:

File: /home/u76574/new.xn--e1aaeihcbvbaek1ahh.xn--p1ai/www/application/frontend/controllers/Catalogs.php
Line: 188
Function: _error_handler

File: /home/u76574/new.xn--e1aaeihcbvbaek1ahh.xn--p1ai/www/index.php
Line: 319
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/u76574/new.xn--e1aaeihcbvbaek1ahh.xn--p1ai/www/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/u76574/new.xn--e1aaeihcbvbaek1ahh.xn--p1ai/www/application/frontend/controllers/Catalogs.php
Line: 188
Function: redirect

File: /home/u76574/new.xn--e1aaeihcbvbaek1ahh.xn--p1ai/www/index.php
Line: 319
Function: require_once