A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/cybersaf/danis.cybersafe.id/application/models/Dokter_modul.php:1)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/cybersaf/danis.cybersafe.id/application/libraries/Simple_login_dua.php
Line: 47
Function: redirect

File: /home/cybersaf/danis.cybersafe.id/application/views/kardiografi/layout/wrapper.php
Line: 3
Function: cek_login

File: /home/cybersaf/danis.cybersafe.id/application/controllers/kardiografi/Kardiograf.php
Line: 25
Function: view

File: /home/cybersaf/danis.cybersafe.id/index.php
Line: 315
Function: require_once