A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Bahasa.php

Line Number: 15

Backtrace:

File: /home/demoapps/public_html/ksi.demoaplikasi.web.id/backend/app/controllers/Bahasa.php
Line: 15
Function: _error_handler

File: /home/demoapps/public_html/ksi.demoaplikasi.web.id/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/demoapps/public_html/ksi.demoaplikasi.web.id/backend/system/core/Exceptions.php:274)

Filename: helpers/url_helper.php

Line Number: 599

Backtrace:

File: /home/demoapps/public_html/ksi.demoaplikasi.web.id/backend/app/controllers/Bahasa.php
Line: 15
Function: redirect

File: /home/demoapps/public_html/ksi.demoaplikasi.web.id/index.php
Line: 292
Function: require_once