A PHP Error was encountered

Severity: Notice

Message: Undefined index: user_id

Filename: controllers/Dashboard.php

Line Number: 8

Backtrace:

File: /home/th4e6ma/public_html/application/controllers/Dashboard.php
Line: 8
Function: _error_handler

File: /home/th4e6ma/public_html/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/th4e6ma/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /home/th4e6ma/public_html/application/controllers/Dashboard.php
Line: 9
Function: redirect

File: /home/th4e6ma/public_html/index.php
Line: 292
Function: require_once