A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: controllers/Aktivitas.php

Line Number: 50

Backtrace:

File: /home/suku2233/public_html/application/controllers/Aktivitas.php
Line: 50
Function: _error_handler

File: /home/suku2233/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/suku2233/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 565

Backtrace:

File: /home/suku2233/public_html/application/controllers/Aktivitas.php
Line: 52
Function: redirect

File: /home/suku2233/public_html/index.php
Line: 315
Function: require_once